61571180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1171}}^1$

素因数の和:1430

約数の個数: 48

約数和(自身を含む): 141765120

約数和(自身を除く): 80193940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 239, 478, 956, 1171, 1195, 2342, 2390, 2629, 4684, 4780, 5258, 5855, 10516, 11710, 12881, 13145, 23420, 25762, 26290, 51524, 52580, 64405, 128810, 257620, 279869, 559738, 1119476, 1399345, 2798690, 3078559, 5597380, 6157118, 12314236, 15392795, 30785590, 61571180]

約数ペア:

[(1, 61571180), (2, 30785590), (4, 15392795), (5, 12314236), (10, 6157118), (11, 5597380), (20, 3078559), (22, 2798690), (44, 1399345), (55, 1119476), (110, 559738), (220, 279869), (239, 257620), (478, 128810), (956, 64405), (1171, 52580), (1195, 51524), (2342, 26290), (2390, 25762), (2629, 23420), (4684, 13145), (4780, 12881), (5258, 11710), (5855, 10516)]