71017280

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7159}}^1$

素因数の和:7207

約数の個数: 56

約数和(自身を含む): 174589440

約数和(自身を除く): 103572160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 7159, 9920, 14318, 28636, 35795, 57272, 71590, 114544, 143180, 221929, 229088, 286360, 443858, 458176, 572720, 887716, 1109645, 1145440, 1775432, 2219290, 2290880, 3550864, 4438580, 7101728, 8877160, 14203456, 17754320, 35508640, 71017280]

約数ペア:

[(1, 71017280), (2, 35508640), (4, 17754320), (5, 14203456), (8, 8877160), (10, 7101728), (16, 4438580), (20, 3550864), (31, 2290880), (32, 2219290), (40, 1775432), (62, 1145440), (64, 1109645), (80, 887716), (124, 572720), (155, 458176), (160, 443858), (248, 286360), (310, 229088), (320, 221929), (496, 143180), (620, 114544), (992, 71590), (1240, 57272), (1984, 35795), (2480, 28636), (4960, 14318), (7159, 9920)]