68420280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{19661}}^1$

素因数の和:19704

約数の個数: 64

約数和(自身を含む): 212349600

約数和(自身を除く): 143929320

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, 19661, 39322, 58983, 78644, 98305, 117966, 157288, 196610, 235932, 294915, 393220, 471864, 570169, 589830, 786440, 1140338, 1179660, 1710507, 2280676, 2359320, 2850845, 3421014, 4561352, 5701690, 6842028, 8552535, 11403380, 13684056, 17105070, 22806760, 34210140, 68420280]

約数ペア:

[(1, 68420280), (2, 34210140), (3, 22806760), (4, 17105070), (5, 13684056), (6, 11403380), (8, 8552535), (10, 6842028), (12, 5701690), (15, 4561352), (20, 3421014), (24, 2850845), (29, 2359320), (30, 2280676), (40, 1710507), (58, 1179660), (60, 1140338), (87, 786440), (116, 589830), (120, 570169), (145, 471864), (174, 393220), (232, 294915), (290, 235932), (348, 196610), (435, 157288), (580, 117966), (696, 98305), (870, 78644), (1160, 58983), (1740, 39322), (3480, 19661)]