215865780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2539}}^1$

素因数の和:2673

約数の個数: 96

約数和(自身を含む): 657148800

約数和(自身を除く): 441283020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 109, 130, 156, 195, 218, 260, 327, 390, 436, 545, 654, 780, 1090, 1308, 1417, 1635, 2180, 2539, 2834, 3270, 4251, 5078, 5668, 6540, 7085, 7617, 8502, 10156, 12695, 14170, 15234, 17004, 21255, 25390, 28340, 30468, 33007, 38085, 42510, 50780, 66014, 76170, 85020, 99021, 132028, 152340, 165035, 198042, 276751, 330070, 396084, 495105, 553502, 660140, 830253, 990210, 1107004, 1383755, 1660506, 1980420, 2767510, 3321012, 3597763, 4151265, 5535020, 7195526, 8302530, 10793289, 14391052, 16605060, 17988815, 21586578, 35977630, 43173156, 53966445, 71955260, 107932890, 215865780]

約数ペア:

[(1, 215865780), (2, 107932890), (3, 71955260), (4, 53966445), (5, 43173156), (6, 35977630), (10, 21586578), (12, 17988815), (13, 16605060), (15, 14391052), (20, 10793289), (26, 8302530), (30, 7195526), (39, 5535020), (52, 4151265), (60, 3597763), (65, 3321012), (78, 2767510), (109, 1980420), (130, 1660506), (156, 1383755), (195, 1107004), (218, 990210), (260, 830253), (327, 660140), (390, 553502), (436, 495105), (545, 396084), (654, 330070), (780, 276751), (1090, 198042), (1308, 165035), (1417, 152340), (1635, 132028), (2180, 99021), (2539, 85020), (2834, 76170), (3270, 66014), (4251, 50780), (5078, 42510), (5668, 38085), (6540, 33007), (7085, 30468), (7617, 28340), (8502, 25390), (10156, 21255), (12695, 17004), (14170, 15234)]