1287668520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{307}}^1$

素因数の和:576

約数の個数: 192

約数和(自身を含む): 4289725440

約数和(自身を除く): 3002056920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 180, 183, 191, 244, 305, 307, 360, 366, 382, 488, 549, 573, 610, 614, 732, 764, 915, 921, 955, 1098, 1146, 1220, 1228, 1464, 1528, 1535, 1719, 1830, 1842, 1910, 2196, 2292, 2440, 2456, 2745, 2763, 2865, 3070, 3438, 3660, 3684, 3820, 4392, 4584, 4605, 5490, 5526, 5730, 6140, 6876, 7320, 7368, 7640, 8595, 9210, 10980, 11052, 11460, 11651, 12280, 13752, 13815, 17190, 18420, 18727, 21960, 22104, 22920, 23302, 27630, 34380, 34953, 36840, 37454, 46604, 55260, 56181, 58255, 58637, 68760, 69906, 74908, 93208, 93635, 104859, 110520, 112362, 116510, 117274, 139812, 149816, 168543, 174765, 175911, 187270, 209718, 224724, 233020, 234548, 279624, 280905, 293185, 337086, 349530, 351822, 374540, 419436, 449448, 466040, 469096, 524295, 527733, 561810, 586370, 674172, 699060, 703644, 749080, 838872, 842715, 879555, 1048590, 1055466, 1123620, 1172740, 1348344, 1398120, 1407288, 1685430, 1759110, 2097180, 2110932, 2247240, 2345480, 2638665, 3370860, 3518220, 3576857, 4194360, 4221864, 5277330, 6741720, 7036440, 7153714, 10554660, 10730571, 14307428, 17884285, 21109320, 21461142, 28614856, 32191713, 35768570, 42922284, 53652855, 64383426, 71537140, 85844568, 107305710, 128766852, 143074280, 160958565, 214611420, 257533704, 321917130, 429222840, 643834260, 1287668520]

約数ペア:

[(1, 1287668520), (2, 643834260), (3, 429222840), (4, 321917130), (5, 257533704), (6, 214611420), (8, 160958565), (9, 143074280), (10, 128766852), (12, 107305710), (15, 85844568), (18, 71537140), (20, 64383426), (24, 53652855), (30, 42922284), (36, 35768570), (40, 32191713), (45, 28614856), (60, 21461142), (61, 21109320), (72, 17884285), (90, 14307428), (120, 10730571), (122, 10554660), (180, 7153714), (183, 7036440), (191, 6741720), (244, 5277330), (305, 4221864), (307, 4194360), (360, 3576857), (366, 3518220), (382, 3370860), (488, 2638665), (549, 2345480), (573, 2247240), (610, 2110932), (614, 2097180), (732, 1759110), (764, 1685430), (915, 1407288), (921, 1398120), (955, 1348344), (1098, 1172740), (1146, 1123620), (1220, 1055466), (1228, 1048590), (1464, 879555), (1528, 842715), (1535, 838872), (1719, 749080), (1830, 703644), (1842, 699060), (1910, 674172), (2196, 586370), (2292, 561810), (2440, 527733), (2456, 524295), (2745, 469096), (2763, 466040), (2865, 449448), (3070, 419436), (3438, 374540), (3660, 351822), (3684, 349530), (3820, 337086), (4392, 293185), (4584, 280905), (4605, 279624), (5490, 234548), (5526, 233020), (5730, 224724), (6140, 209718), (6876, 187270), (7320, 175911), (7368, 174765), (7640, 168543), (8595, 149816), (9210, 139812), (10980, 117274), (11052, 116510), (11460, 112362), (11651, 110520), (12280, 104859), (13752, 93635), (13815, 93208), (17190, 74908), (18420, 69906), (18727, 68760), (21960, 58637), (22104, 58255), (22920, 56181), (23302, 55260), (27630, 46604), (34380, 37454), (34953, 36840)]