251120280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{72161}}^1$

素因数の和:72204

約数の個数: 64

約数和(自身を含む): 779349600

約数和(自身を除く): 528229320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 72161, 144322, 216483, 288644, 360805, 432966, 577288, 721610, 865932, 1082415, 1443220, 1731864, 2092669, 2164830, 2886440, 4185338, 4329660, 6278007, 8370676, 8659320, 10463345, 12556014, 16741352, 20926690, 25112028, 31390035, 41853380, 50224056, 62780070, 83706760, 125560140, 251120280]

約数ペア:

[(1, 251120280), (2, 125560140), (3, 83706760), (4, 62780070), (5, 50224056), (6, 41853380), (8, 31390035), (10, 25112028), (12, 20926690), (15, 16741352), (20, 12556014), (24, 10463345), (29, 8659320), (30, 8370676), (40, 6278007), (58, 4329660), (60, 4185338), (87, 2886440), (116, 2164830), (120, 2092669), (145, 1731864), (174, 1443220), (232, 1082415), (290, 865932), (348, 721610), (435, 577288), (580, 432966), (696, 360805), (870, 288644), (1160, 216483), (1740, 144322), (3480, 72161)]