215625720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4481}}^1$

素因数の和:4896

約数の個数: 64

約数和(自身を含む): 648635040

約数和(自身を除く): 433009320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 401, 802, 1203, 1604, 2005, 2406, 3208, 4010, 4481, 4812, 6015, 8020, 8962, 9624, 12030, 13443, 16040, 17924, 22405, 24060, 26886, 35848, 44810, 48120, 53772, 67215, 89620, 107544, 134430, 179240, 268860, 537720, 1796881, 3593762, 5390643, 7187524, 8984405, 10781286, 14375048, 17968810, 21562572, 26953215, 35937620, 43125144, 53906430, 71875240, 107812860, 215625720]

約数ペア:

[(1, 215625720), (2, 107812860), (3, 71875240), (4, 53906430), (5, 43125144), (6, 35937620), (8, 26953215), (10, 21562572), (12, 17968810), (15, 14375048), (20, 10781286), (24, 8984405), (30, 7187524), (40, 5390643), (60, 3593762), (120, 1796881), (401, 537720), (802, 268860), (1203, 179240), (1604, 134430), (2005, 107544), (2406, 89620), (3208, 67215), (4010, 53772), (4481, 48120), (4812, 44810), (6015, 35848), (8020, 26886), (8962, 24060), (9624, 22405), (12030, 17924), (13443, 16040)]