155120800

素因数分解:

$2^5\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2731}}^1$

素因数の和:2822

約数の個数: 72

約数和(自身を含む): 384162912

約数和(自身を除く): 229042112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 71, 80, 100, 142, 160, 200, 284, 355, 400, 568, 710, 800, 1136, 1420, 1775, 2272, 2731, 2840, 3550, 5462, 5680, 7100, 10924, 11360, 13655, 14200, 21848, 27310, 28400, 43696, 54620, 56800, 68275, 87392, 109240, 136550, 193901, 218480, 273100, 387802, 436960, 546200, 775604, 969505, 1092400, 1551208, 1939010, 2184800, 3102416, 3878020, 4847525, 6204832, 7756040, 9695050, 15512080, 19390100, 31024160, 38780200, 77560400, 155120800]

約数ペア:

[(1, 155120800), (2, 77560400), (4, 38780200), (5, 31024160), (8, 19390100), (10, 15512080), (16, 9695050), (20, 7756040), (25, 6204832), (32, 4847525), (40, 3878020), (50, 3102416), (71, 2184800), (80, 1939010), (100, 1551208), (142, 1092400), (160, 969505), (200, 775604), (284, 546200), (355, 436960), (400, 387802), (568, 273100), (710, 218480), (800, 193901), (1136, 136550), (1420, 109240), (1775, 87392), (2272, 68275), (2731, 56800), (2840, 54620), (3550, 43696), (5462, 28400), (5680, 27310), (7100, 21848), (10924, 14200), (11360, 13655)]