155287140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{181}}^2$

素因数の和:453

約数の個数: 72

約数和(自身を含む): 442753920

約数和(自身を除く): 287466780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 181, 237, 316, 362, 395, 474, 543, 724, 790, 905, 948, 1086, 1185, 1580, 1810, 2172, 2370, 2715, 3620, 4740, 5430, 10860, 14299, 28598, 32761, 42897, 57196, 65522, 71495, 85794, 98283, 131044, 142990, 163805, 171588, 196566, 214485, 285980, 327610, 393132, 428970, 491415, 655220, 857940, 982830, 1965660, 2588119, 5176238, 7764357, 10352476, 12940595, 15528714, 25881190, 31057428, 38821785, 51762380, 77643570, 155287140]

約数ペア:

[(1, 155287140), (2, 77643570), (3, 51762380), (4, 38821785), (5, 31057428), (6, 25881190), (10, 15528714), (12, 12940595), (15, 10352476), (20, 7764357), (30, 5176238), (60, 2588119), (79, 1965660), (158, 982830), (181, 857940), (237, 655220), (316, 491415), (362, 428970), (395, 393132), (474, 327610), (543, 285980), (724, 214485), (790, 196566), (905, 171588), (948, 163805), (1086, 142990), (1185, 131044), (1580, 98283), (1810, 85794), (2172, 71495), (2370, 65522), (2715, 57196), (3620, 42897), (4740, 32761), (5430, 28598), (10860, 14299)]