30290520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19417}}^1$

素因数の和:19444

約数の個数: 64

約数和(自身を含む): 97866720

約数和(自身を除く): 67576200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 19417, 38834, 58251, 77668, 97085, 116502, 155336, 194170, 233004, 252421, 291255, 388340, 466008, 504842, 582510, 757263, 776680, 1009684, 1165020, 1262105, 1514526, 2019368, 2330040, 2524210, 3029052, 3786315, 5048420, 6058104, 7572630, 10096840, 15145260, 30290520]

約数ペア:

[(1, 30290520), (2, 15145260), (3, 10096840), (4, 7572630), (5, 6058104), (6, 5048420), (8, 3786315), (10, 3029052), (12, 2524210), (13, 2330040), (15, 2019368), (20, 1514526), (24, 1262105), (26, 1165020), (30, 1009684), (39, 776680), (40, 757263), (52, 582510), (60, 504842), (65, 466008), (78, 388340), (104, 291255), (120, 252421), (130, 233004), (156, 194170), (195, 155336), (260, 116502), (312, 97085), (390, 77668), (520, 58251), (780, 38834), (1560, 19417)]