72302240

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3251}}^1$

素因数の和:3405

約数の個数: 48

約数和(自身を含む): 172095840

約数和(自身を除く): 99793600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2780, 3251, 4448, 5560, 6502, 11120, 13004, 16255, 22240, 26008, 32510, 52016, 65020, 104032, 130040, 260080, 451889, 520160, 903778, 1807556, 2259445, 3615112, 4518890, 7230224, 9037780, 14460448, 18075560, 36151120, 72302240]

約数ペア:

[(1, 72302240), (2, 36151120), (4, 18075560), (5, 14460448), (8, 9037780), (10, 7230224), (16, 4518890), (20, 3615112), (32, 2259445), (40, 1807556), (80, 903778), (139, 520160), (160, 451889), (278, 260080), (556, 130040), (695, 104032), (1112, 65020), (1390, 52016), (2224, 32510), (2780, 26008), (3251, 22240), (4448, 16255), (5560, 13004), (6502, 11120)]