309285760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 256

約数和(自身を含む): 930631680

約数和(自身を除く): 621345920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 56, 62, 64, 68, 70, 80, 85, 112, 119, 124, 128, 131, 136, 140, 155, 160, 170, 217, 224, 238, 248, 262, 272, 280, 310, 320, 340, 434, 448, 476, 496, 524, 527, 544, 560, 595, 620, 640, 655, 680, 868, 896, 917, 952, 992, 1048, 1054, 1085, 1088, 1120, 1190, 1240, 1310, 1360, 1736, 1834, 1904, 1984, 2096, 2108, 2170, 2176, 2227, 2240, 2380, 2480, 2620, 2635, 2720, 3472, 3668, 3689, 3808, 3968, 4061, 4192, 4216, 4340, 4454, 4480, 4585, 4760, 4960, 5240, 5270, 5440, 6944, 7336, 7378, 7616, 8122, 8384, 8432, 8680, 8908, 9170, 9520, 9920, 10480, 10540, 10880, 11135, 13888, 14672, 14756, 15232, 15589, 16244, 16768, 16864, 17360, 17816, 18340, 18445, 19040, 19840, 20305, 20960, 21080, 22270, 27776, 28427, 29344, 29512, 31178, 32488, 33728, 34720, 35632, 36680, 36890, 38080, 40610, 41920, 42160, 44540, 56854, 58688, 59024, 62356, 64976, 67456, 69037, 69440, 71264, 73360, 73780, 76160, 77945, 81220, 83840, 84320, 89080, 113708, 117376, 118048, 124712, 129952, 138074, 138880, 142135, 142528, 146720, 147560, 155890, 162440, 168640, 178160, 227416, 236096, 249424, 259904, 276148, 284270, 285056, 293440, 295120, 311780, 324880, 337280, 345185, 356320, 454832, 472192, 483259, 498848, 519808, 552296, 568540, 586880, 590240, 623560, 649760, 690370, 712640, 909664, 966518, 997696, 1104592, 1137080, 1180480, 1247120, 1299520, 1380740, 1425280, 1819328, 1933036, 1995392, 2209184, 2274160, 2360960, 2416295, 2494240, 2599040, 2761480, 3638656, 3866072, 4418368, 4548320, 4832590, 4988480, 5522960, 7732144, 8836736, 9096640, 9665180, 9976960, 11045920, 15464288, 18193280, 19330360, 22091840, 30928576, 38660720, 44183680, 61857152, 77321440, 154642880, 309285760]

約数ペア:

[(1, 309285760), (2, 154642880), (4, 77321440), (5, 61857152), (7, 44183680), (8, 38660720), (10, 30928576), (14, 22091840), (16, 19330360), (17, 18193280), (20, 15464288), (28, 11045920), (31, 9976960), (32, 9665180), (34, 9096640), (35, 8836736), (40, 7732144), (56, 5522960), (62, 4988480), (64, 4832590), (68, 4548320), (70, 4418368), (80, 3866072), (85, 3638656), (112, 2761480), (119, 2599040), (124, 2494240), (128, 2416295), (131, 2360960), (136, 2274160), (140, 2209184), (155, 1995392), (160, 1933036), (170, 1819328), (217, 1425280), (224, 1380740), (238, 1299520), (248, 1247120), (262, 1180480), (272, 1137080), (280, 1104592), (310, 997696), (320, 966518), (340, 909664), (434, 712640), (448, 690370), (476, 649760), (496, 623560), (524, 590240), (527, 586880), (544, 568540), (560, 552296), (595, 519808), (620, 498848), (640, 483259), (655, 472192), (680, 454832), (868, 356320), (896, 345185), (917, 337280), (952, 324880), (992, 311780), (1048, 295120), (1054, 293440), (1085, 285056), (1088, 284270), (1120, 276148), (1190, 259904), (1240, 249424), (1310, 236096), (1360, 227416), (1736, 178160), (1834, 168640), (1904, 162440), (1984, 155890), (2096, 147560), (2108, 146720), (2170, 142528), (2176, 142135), (2227, 138880), (2240, 138074), (2380, 129952), (2480, 124712), (2620, 118048), (2635, 117376), (2720, 113708), (3472, 89080), (3668, 84320), (3689, 83840), (3808, 81220), (3968, 77945), (4061, 76160), (4192, 73780), (4216, 73360), (4340, 71264), (4454, 69440), (4480, 69037), (4585, 67456), (4760, 64976), (4960, 62356), (5240, 59024), (5270, 58688), (5440, 56854), (6944, 44540), (7336, 42160), (7378, 41920), (7616, 40610), (8122, 38080), (8384, 36890), (8432, 36680), (8680, 35632), (8908, 34720), (9170, 33728), (9520, 32488), (9920, 31178), (10480, 29512), (10540, 29344), (10880, 28427), (11135, 27776), (13888, 22270), (14672, 21080), (14756, 20960), (15232, 20305), (15589, 19840), (16244, 19040), (16768, 18445), (16864, 18340), (17360, 17816)]