257223204420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{503}}^1\times {\mathrm{1283}}^1$

素因数の和:1891

約数の個数: 384

約数和(自身を含む): 901061812224

約数和(自身を除く): 643838607804

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 73, 78, 84, 91, 105, 130, 140, 146, 156, 182, 195, 210, 219, 260, 273, 292, 364, 365, 390, 420, 438, 455, 503, 511, 546, 730, 780, 876, 910, 949, 1006, 1022, 1092, 1095, 1283, 1365, 1460, 1509, 1533, 1820, 1898, 2012, 2044, 2190, 2515, 2555, 2566, 2730, 2847, 3018, 3066, 3521, 3796, 3849, 4380, 4745, 5030, 5110, 5132, 5460, 5694, 6036, 6132, 6415, 6539, 6643, 7042, 7545, 7665, 7698, 8981, 9490, 10060, 10220, 10563, 11388, 12830, 13078, 13286, 14084, 14235, 15090, 15330, 15396, 16679, 17605, 17962, 18980, 19245, 19617, 19929, 21126, 25660, 26156, 26572, 26943, 28470, 30180, 30660, 32695, 33215, 33358, 35210, 35924, 36719, 38490, 39234, 39858, 42252, 44905, 45773, 50037, 52815, 53886, 56940, 65390, 66430, 66716, 70420, 73438, 76980, 78468, 79716, 83395, 89810, 91546, 93659, 98085, 99645, 100074, 105630, 107772, 110157, 116753, 130780, 132860, 134715, 137319, 146876, 166790, 179620, 183092, 183595, 187318, 196170, 199290, 200148, 211260, 220314, 228865, 233506, 250185, 257033, 269430, 274638, 280977, 333580, 350259, 367190, 374636, 392340, 398580, 440628, 457730, 467012, 468295, 477347, 500370, 514066, 538860, 549276, 550785, 561954, 583765, 645349, 655613, 686595, 700518, 734380, 771099, 915460, 936590, 954694, 1000740, 1028132, 1101570, 1123908, 1167530, 1217567, 1285165, 1290698, 1311226, 1373190, 1401036, 1404885, 1432041, 1542198, 1751295, 1873180, 1909388, 1936047, 1966839, 2203140, 2335060, 2386735, 2435134, 2570330, 2581396, 2622452, 2746380, 2809770, 2864082, 3084396, 3226745, 3278065, 3341429, 3502590, 3652701, 3855495, 3872094, 3933678, 4517443, 4773470, 4870268, 5140660, 5619540, 5728164, 6087835, 6453490, 6556130, 6682858, 7005180, 7160205, 7305402, 7710990, 7744188, 7867356, 8389537, 8522969, 9034886, 9546940, 9680235, 9834195, 10024287, 12175670, 12906980, 13112260, 13365716, 13552329, 14320410, 14610804, 15421980, 16707145, 16779074, 17045938, 18069772, 18263505, 19360470, 19668390, 20048574, 22587215, 24351340, 25168611, 25568907, 27104658, 28640820, 33414290, 33558148, 34091876, 36527010, 38720940, 39336780, 40097148, 41947685, 42614845, 45174430, 47110477, 50121435, 50337222, 51137814, 54209316, 58726759, 66828580, 67761645, 73054020, 83895370, 85229690, 90348860, 94220954, 100242870, 100674444, 102275628, 117453518, 125843055, 127844535, 135523290, 141331431, 167790740, 170459380, 176180277, 188441908, 200485740, 234907036, 235552385, 251686110, 255689070, 271046580, 282662862, 293633795, 329773339, 352360554, 471104770, 503372220, 511378140, 565325724, 587267590, 612436201, 659546678, 704721108, 706657155, 880901385, 942209540, 989320017, 1174535180, 1224872402, 1319093356, 1413314310, 1648866695, 1761802770, 1837308603, 1978640034, 2449744804, 2826628620, 3062181005, 3297733390, 3523605540, 3674617206, 3957280068, 4287053407, 4946600085, 6124362010, 6595466780, 7349234412, 8574106814, 9186543015, 9893200170, 12248724020, 12861160221, 17148213628, 18373086030, 19786400340, 21435267035, 25722320442, 36746172060, 42870534070, 51444640884, 64305801105, 85741068140, 128611602210, 257223204420]

約数ペア:

[(1, 257223204420), (2, 128611602210), (3, 85741068140), (4, 64305801105), (5, 51444640884), (6, 42870534070), (7, 36746172060), (10, 25722320442), (12, 21435267035), (13, 19786400340), (14, 18373086030), (15, 17148213628), (20, 12861160221), (21, 12248724020), (26, 9893200170), (28, 9186543015), (30, 8574106814), (35, 7349234412), (39, 6595466780), (42, 6124362010), (52, 4946600085), (60, 4287053407), (65, 3957280068), (70, 3674617206), (73, 3523605540), (78, 3297733390), (84, 3062181005), (91, 2826628620), (105, 2449744804), (130, 1978640034), (140, 1837308603), (146, 1761802770), (156, 1648866695), (182, 1413314310), (195, 1319093356), (210, 1224872402), (219, 1174535180), (260, 989320017), (273, 942209540), (292, 880901385), (364, 706657155), (365, 704721108), (390, 659546678), (420, 612436201), (438, 587267590), (455, 565325724), (503, 511378140), (511, 503372220), (546, 471104770), (730, 352360554), (780, 329773339), (876, 293633795), (910, 282662862), (949, 271046580), (1006, 255689070), (1022, 251686110), (1092, 235552385), (1095, 234907036), (1283, 200485740), (1365, 188441908), (1460, 176180277), (1509, 170459380), (1533, 167790740), (1820, 141331431), (1898, 135523290), (2012, 127844535), (2044, 125843055), (2190, 117453518), (2515, 102275628), (2555, 100674444), (2566, 100242870), (2730, 94220954), (2847, 90348860), (3018, 85229690), (3066, 83895370), (3521, 73054020), (3796, 67761645), (3849, 66828580), (4380, 58726759), (4745, 54209316), (5030, 51137814), (5110, 50337222), (5132, 50121435), (5460, 47110477), (5694, 45174430), (6036, 42614845), (6132, 41947685), (6415, 40097148), (6539, 39336780), (6643, 38720940), (7042, 36527010), (7545, 34091876), (7665, 33558148), (7698, 33414290), (8981, 28640820), (9490, 27104658), (10060, 25568907), (10220, 25168611), (10563, 24351340), (11388, 22587215), (12830, 20048574), (13078, 19668390), (13286, 19360470), (14084, 18263505), (14235, 18069772), (15090, 17045938), (15330, 16779074), (15396, 16707145), (16679, 15421980), (17605, 14610804), (17962, 14320410), (18980, 13552329), (19245, 13365716), (19617, 13112260), (19929, 12906980), (21126, 12175670), (25660, 10024287), (26156, 9834195), (26572, 9680235), (26943, 9546940), (28470, 9034886), (30180, 8522969), (30660, 8389537), (32695, 7867356), (33215, 7744188), (33358, 7710990), (35210, 7305402), (35924, 7160205), (36719, 7005180), (38490, 6682858), (39234, 6556130), (39858, 6453490), (42252, 6087835), (44905, 5728164), (45773, 5619540), (50037, 5140660), (52815, 4870268), (53886, 4773470), (56940, 4517443), (65390, 3933678), (66430, 3872094), (66716, 3855495), (70420, 3652701), (73438, 3502590), (76980, 3341429), (78468, 3278065), (79716, 3226745), (83395, 3084396), (89810, 2864082), (91546, 2809770), (93659, 2746380), (98085, 2622452), (99645, 2581396), (100074, 2570330), (105630, 2435134), (107772, 2386735), (110157, 2335060), (116753, 2203140), (130780, 1966839), (132860, 1936047), (134715, 1909388), (137319, 1873180), (146876, 1751295), (166790, 1542198), (179620, 1432041), (183092, 1404885), (183595, 1401036), (187318, 1373190), (196170, 1311226), (199290, 1290698), (200148, 1285165), (211260, 1217567), (220314, 1167530), (228865, 1123908), (233506, 1101570), (250185, 1028132), (257033, 1000740), (269430, 954694), (274638, 936590), (280977, 915460), (333580, 771099), (350259, 734380), (367190, 700518), (374636, 686595), (392340, 655613), (398580, 645349), (440628, 583765), (457730, 561954), (467012, 550785), (468295, 549276), (477347, 538860), (500370, 514066)]