27878220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2539}}^1$

素因数の和:2615

約数の個数: 72

約数和(自身を含む): 85984080

約数和(自身を除く): 58105860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2539, 2745, 3660, 5078, 5490, 7617, 10156, 10980, 12695, 15234, 22851, 25390, 30468, 38085, 45702, 50780, 76170, 91404, 114255, 152340, 154879, 228510, 309758, 457020, 464637, 619516, 774395, 929274, 1393911, 1548790, 1858548, 2323185, 2787822, 3097580, 4646370, 5575644, 6969555, 9292740, 13939110, 27878220]

約数ペア:

[(1, 27878220), (2, 13939110), (3, 9292740), (4, 6969555), (5, 5575644), (6, 4646370), (9, 3097580), (10, 2787822), (12, 2323185), (15, 1858548), (18, 1548790), (20, 1393911), (30, 929274), (36, 774395), (45, 619516), (60, 464637), (61, 457020), (90, 309758), (122, 228510), (180, 154879), (183, 152340), (244, 114255), (305, 91404), (366, 76170), (549, 50780), (610, 45702), (732, 38085), (915, 30468), (1098, 25390), (1220, 22851), (1830, 15234), (2196, 12695), (2539, 10980), (2745, 10156), (3660, 7617), (5078, 5490)]