156798640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2399}}^1$

素因数の和:2474

約数の個数: 80

約数和(自身を含む): 392832000

約数和(自身を除く): 236033360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 304, 344, 380, 430, 688, 760, 817, 860, 1520, 1634, 1720, 2399, 3268, 3440, 4085, 4798, 6536, 8170, 9596, 11995, 13072, 16340, 19192, 23990, 32680, 38384, 45581, 47980, 65360, 91162, 95960, 103157, 182324, 191920, 206314, 227905, 364648, 412628, 455810, 515785, 729296, 825256, 911620, 1031570, 1650512, 1823240, 1959983, 2063140, 3646480, 3919966, 4126280, 7839932, 8252560, 9799915, 15679864, 19599830, 31359728, 39199660, 78399320, 156798640]

約数ペア:

[(1, 156798640), (2, 78399320), (4, 39199660), (5, 31359728), (8, 19599830), (10, 15679864), (16, 9799915), (19, 8252560), (20, 7839932), (38, 4126280), (40, 3919966), (43, 3646480), (76, 2063140), (80, 1959983), (86, 1823240), (95, 1650512), (152, 1031570), (172, 911620), (190, 825256), (215, 729296), (304, 515785), (344, 455810), (380, 412628), (430, 364648), (688, 227905), (760, 206314), (817, 191920), (860, 182324), (1520, 103157), (1634, 95960), (1720, 91162), (2399, 65360), (3268, 47980), (3440, 45581), (4085, 38384), (4798, 32680), (6536, 23990), (8170, 19192), (9596, 16340), (11995, 13072)]