255290490

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:174

約数の個数: 288

約数和(自身を含む): 856726416

約数和(自身を除く): 601435926

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 49, 61, 63, 65, 70, 73, 78, 90, 91, 98, 105, 117, 122, 126, 130, 146, 147, 182, 183, 195, 210, 219, 234, 245, 273, 294, 305, 315, 365, 366, 390, 427, 438, 441, 455, 490, 511, 546, 549, 585, 610, 630, 637, 657, 730, 735, 793, 819, 854, 882, 910, 915, 949, 1022, 1095, 1098, 1170, 1274, 1281, 1314, 1365, 1470, 1533, 1586, 1638, 1830, 1898, 1911, 2135, 2190, 2205, 2379, 2555, 2562, 2730, 2745, 2847, 2989, 3066, 3185, 3285, 3577, 3822, 3843, 3965, 4095, 4270, 4410, 4453, 4599, 4745, 4758, 5110, 5490, 5551, 5694, 5733, 5978, 6370, 6405, 6570, 6643, 7137, 7154, 7665, 7686, 7930, 8190, 8541, 8906, 8967, 9198, 9490, 9555, 10731, 11102, 11466, 11895, 12810, 13286, 13359, 14235, 14274, 14945, 15330, 16653, 17082, 17885, 17934, 19110, 19215, 19929, 21462, 22265, 22995, 23790, 26718, 26901, 27755, 28470, 28665, 29890, 31171, 32193, 33215, 33306, 35685, 35770, 38430, 38857, 39858, 40077, 42705, 44530, 44835, 45990, 46501, 49959, 53655, 53802, 55510, 57330, 57889, 59787, 62342, 64386, 66430, 66795, 71370, 77714, 80154, 83265, 85410, 89670, 93002, 93513, 99645, 99918, 107310, 115778, 116571, 119574, 133590, 134505, 139503, 155855, 160965, 166530, 173667, 187026, 194285, 199290, 200385, 218197, 232505, 233142, 249795, 269010, 279006, 280539, 289445, 298935, 311710, 321930, 347334, 349713, 388570, 400770, 405223, 418509, 436394, 465010, 467565, 499590, 521001, 561078, 578890, 582855, 597870, 654591, 697515, 699426, 810446, 837018, 868335, 935130, 1042002, 1090985, 1165710, 1215669, 1309182, 1395030, 1402695, 1736670, 1748565, 1963773, 2026115, 2092545, 2181970, 2431338, 2605005, 2805390, 2836561, 3272955, 3497130, 3647007, 3927546, 4052230, 4185090, 5210010, 5673122, 6078345, 6545910, 7294014, 8509683, 9818865, 12156690, 14182805, 17019366, 18235035, 19637730, 25529049, 28365610, 36470070, 42548415, 51058098, 85096830, 127645245, 255290490]

約数ペア:

[(1, 255290490), (2, 127645245), (3, 85096830), (5, 51058098), (6, 42548415), (7, 36470070), (9, 28365610), (10, 25529049), (13, 19637730), (14, 18235035), (15, 17019366), (18, 14182805), (21, 12156690), (26, 9818865), (30, 8509683), (35, 7294014), (39, 6545910), (42, 6078345), (45, 5673122), (49, 5210010), (61, 4185090), (63, 4052230), (65, 3927546), (70, 3647007), (73, 3497130), (78, 3272955), (90, 2836561), (91, 2805390), (98, 2605005), (105, 2431338), (117, 2181970), (122, 2092545), (126, 2026115), (130, 1963773), (146, 1748565), (147, 1736670), (182, 1402695), (183, 1395030), (195, 1309182), (210, 1215669), (219, 1165710), (234, 1090985), (245, 1042002), (273, 935130), (294, 868335), (305, 837018), (315, 810446), (365, 699426), (366, 697515), (390, 654591), (427, 597870), (438, 582855), (441, 578890), (455, 561078), (490, 521001), (511, 499590), (546, 467565), (549, 465010), (585, 436394), (610, 418509), (630, 405223), (637, 400770), (657, 388570), (730, 349713), (735, 347334), (793, 321930), (819, 311710), (854, 298935), (882, 289445), (910, 280539), (915, 279006), (949, 269010), (1022, 249795), (1095, 233142), (1098, 232505), (1170, 218197), (1274, 200385), (1281, 199290), (1314, 194285), (1365, 187026), (1470, 173667), (1533, 166530), (1586, 160965), (1638, 155855), (1830, 139503), (1898, 134505), (1911, 133590), (2135, 119574), (2190, 116571), (2205, 115778), (2379, 107310), (2555, 99918), (2562, 99645), (2730, 93513), (2745, 93002), (2847, 89670), (2989, 85410), (3066, 83265), (3185, 80154), (3285, 77714), (3577, 71370), (3822, 66795), (3843, 66430), (3965, 64386), (4095, 62342), (4270, 59787), (4410, 57889), (4453, 57330), (4599, 55510), (4745, 53802), (4758, 53655), (5110, 49959), (5490, 46501), (5551, 45990), (5694, 44835), (5733, 44530), (5978, 42705), (6370, 40077), (6405, 39858), (6570, 38857), (6643, 38430), (7137, 35770), (7154, 35685), (7665, 33306), (7686, 33215), (7930, 32193), (8190, 31171), (8541, 29890), (8906, 28665), (8967, 28470), (9198, 27755), (9490, 26901), (9555, 26718), (10731, 23790), (11102, 22995), (11466, 22265), (11895, 21462), (12810, 19929), (13286, 19215), (13359, 19110), (14235, 17934), (14274, 17885), (14945, 17082), (15330, 16653)]