156769480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18061}}^1$

素因数の和:18110

約数の個数: 64

約数和(自身を含む): 416148480

約数和(自身を除く): 259379000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 18061, 36122, 72244, 90305, 126427, 144488, 180610, 252854, 361220, 505708, 559891, 632135, 722440, 1011416, 1119782, 1264270, 2239564, 2528540, 2799455, 3919237, 4479128, 5057080, 5598910, 7838474, 11197820, 15676948, 19596185, 22395640, 31353896, 39192370, 78384740, 156769480]

約数ペア:

[(1, 156769480), (2, 78384740), (4, 39192370), (5, 31353896), (7, 22395640), (8, 19596185), (10, 15676948), (14, 11197820), (20, 7838474), (28, 5598910), (31, 5057080), (35, 4479128), (40, 3919237), (56, 2799455), (62, 2528540), (70, 2239564), (124, 1264270), (140, 1119782), (155, 1011416), (217, 722440), (248, 632135), (280, 559891), (310, 505708), (434, 361220), (620, 252854), (868, 180610), (1085, 144488), (1240, 126427), (1736, 90305), (2170, 72244), (4340, 36122), (8680, 18061)]