1520766840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{2131}}^1$

素因数の和:2477

約数の個数: 128

約数和(自身を含む): 4820025600

約数和(自身を除く): 3299258760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 313, 380, 456, 570, 626, 760, 939, 1140, 1252, 1565, 1878, 2131, 2280, 2504, 3130, 3756, 4262, 4695, 5947, 6260, 6393, 7512, 8524, 9390, 10655, 11894, 12520, 12786, 17048, 17841, 18780, 21310, 23788, 25572, 29735, 31965, 35682, 37560, 40489, 42620, 47576, 51144, 59470, 63930, 71364, 80978, 85240, 89205, 118940, 121467, 127860, 142728, 161956, 178410, 202445, 237880, 242934, 255720, 323912, 356820, 404890, 485868, 607335, 667003, 713640, 809780, 971736, 1214670, 1334006, 1619560, 2001009, 2429340, 2668012, 3335015, 4002018, 4858680, 5336024, 6670030, 8004036, 10005045, 12673057, 13340060, 16008072, 20010090, 25346114, 26680120, 38019171, 40020180, 50692228, 63365285, 76038342, 80040360, 101384456, 126730570, 152076684, 190095855, 253461140, 304153368, 380191710, 506922280, 760383420, 1520766840]

約数ペア:

[(1, 1520766840), (2, 760383420), (3, 506922280), (4, 380191710), (5, 304153368), (6, 253461140), (8, 190095855), (10, 152076684), (12, 126730570), (15, 101384456), (19, 80040360), (20, 76038342), (24, 63365285), (30, 50692228), (38, 40020180), (40, 38019171), (57, 26680120), (60, 25346114), (76, 20010090), (95, 16008072), (114, 13340060), (120, 12673057), (152, 10005045), (190, 8004036), (228, 6670030), (285, 5336024), (313, 4858680), (380, 4002018), (456, 3335015), (570, 2668012), (626, 2429340), (760, 2001009), (939, 1619560), (1140, 1334006), (1252, 1214670), (1565, 971736), (1878, 809780), (2131, 713640), (2280, 667003), (2504, 607335), (3130, 485868), (3756, 404890), (4262, 356820), (4695, 323912), (5947, 255720), (6260, 242934), (6393, 237880), (7512, 202445), (8524, 178410), (9390, 161956), (10655, 142728), (11894, 127860), (12520, 121467), (12786, 118940), (17048, 89205), (17841, 85240), (18780, 80978), (21310, 71364), (23788, 63930), (25572, 59470), (29735, 51144), (31965, 47576), (35682, 42620), (37560, 40489)]