31261640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1483}}^1$

素因数の和:1542

約数の個数: 64

約数和(自身を含む): 76930560

約数和(自身を除く): 45668920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1240, 1483, 2108, 2635, 2966, 4216, 5270, 5932, 7415, 10540, 11864, 14830, 21080, 25211, 29660, 45973, 50422, 59320, 91946, 100844, 126055, 183892, 201688, 229865, 252110, 367784, 459730, 504220, 781541, 919460, 1008440, 1563082, 1838920, 3126164, 3907705, 6252328, 7815410, 15630820, 31261640]

約数ペア:

[(1, 31261640), (2, 15630820), (4, 7815410), (5, 6252328), (8, 3907705), (10, 3126164), (17, 1838920), (20, 1563082), (31, 1008440), (34, 919460), (40, 781541), (62, 504220), (68, 459730), (85, 367784), (124, 252110), (136, 229865), (155, 201688), (170, 183892), (248, 126055), (310, 100844), (340, 91946), (527, 59320), (620, 50422), (680, 45973), (1054, 29660), (1240, 25211), (1483, 21080), (2108, 14830), (2635, 11864), (2966, 10540), (4216, 7415), (5270, 5932)]