172477260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1481}}^1$

素因数の和:2143

約数の個数: 72

約数和(自身を含む): 524343456

約数和(自身を除く): 351866196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 647, 1294, 1481, 1941, 2588, 2962, 3235, 3882, 4443, 5823, 5924, 6470, 7405, 7764, 8886, 9705, 11646, 12940, 13329, 14810, 17772, 19410, 22215, 23292, 26658, 29115, 29620, 38820, 44430, 53316, 58230, 66645, 88860, 116460, 133290, 266580, 958207, 1916414, 2874621, 3832828, 4791035, 5749242, 8623863, 9582070, 11498484, 14373105, 17247726, 19164140, 28746210, 34495452, 43119315, 57492420, 86238630, 172477260]

約数ペア:

[(1, 172477260), (2, 86238630), (3, 57492420), (4, 43119315), (5, 34495452), (6, 28746210), (9, 19164140), (10, 17247726), (12, 14373105), (15, 11498484), (18, 9582070), (20, 8623863), (30, 5749242), (36, 4791035), (45, 3832828), (60, 2874621), (90, 1916414), (180, 958207), (647, 266580), (1294, 133290), (1481, 116460), (1941, 88860), (2588, 66645), (2962, 58230), (3235, 53316), (3882, 44430), (4443, 38820), (5823, 29620), (5924, 29115), (6470, 26658), (7405, 23292), (7764, 22215), (8886, 19410), (9705, 17772), (11646, 14810), (12940, 13329)]