251563440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{19777}}^1$

素因数の和:19846

約数の個数: 80

約数和(自身を含む): 794600928

約数和(自身を除く): 543037488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 530, 636, 795, 848, 1060, 1272, 1590, 2120, 2544, 3180, 4240, 6360, 12720, 19777, 39554, 59331, 79108, 98885, 118662, 158216, 197770, 237324, 296655, 316432, 395540, 474648, 593310, 791080, 949296, 1048181, 1186620, 1582160, 2096362, 2373240, 3144543, 4192724, 4746480, 5240905, 6289086, 8385448, 10481810, 12578172, 15722715, 16770896, 20963620, 25156344, 31445430, 41927240, 50312688, 62890860, 83854480, 125781720, 251563440]

約数ペア:

[(1, 251563440), (2, 125781720), (3, 83854480), (4, 62890860), (5, 50312688), (6, 41927240), (8, 31445430), (10, 25156344), (12, 20963620), (15, 16770896), (16, 15722715), (20, 12578172), (24, 10481810), (30, 8385448), (40, 6289086), (48, 5240905), (53, 4746480), (60, 4192724), (80, 3144543), (106, 2373240), (120, 2096362), (159, 1582160), (212, 1186620), (240, 1048181), (265, 949296), (318, 791080), (424, 593310), (530, 474648), (636, 395540), (795, 316432), (848, 296655), (1060, 237324), (1272, 197770), (1590, 158216), (2120, 118662), (2544, 98885), (3180, 79108), (4240, 59331), (6360, 39554), (12720, 19777)]