30301880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3491}}^1$

素因数の和:3540

約数の個数: 64

約数和(自身を含む): 80455680

約数和(自身を除く): 50153800

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, 3491, 4340, 6982, 8680, 13964, 17455, 24437, 27928, 34910, 48874, 69820, 97748, 108221, 122185, 139640, 195496, 216442, 244370, 432884, 488740, 541105, 757547, 865768, 977480, 1082210, 1515094, 2164420, 3030188, 3787735, 4328840, 6060376, 7575470, 15150940, 30301880]

約数ペア:

[(1, 30301880), (2, 15150940), (4, 7575470), (5, 6060376), (7, 4328840), (8, 3787735), (10, 3030188), (14, 2164420), (20, 1515094), (28, 1082210), (31, 977480), (35, 865768), (40, 757547), (56, 541105), (62, 488740), (70, 432884), (124, 244370), (140, 216442), (155, 195496), (217, 139640), (248, 122185), (280, 108221), (310, 97748), (434, 69820), (620, 48874), (868, 34910), (1085, 27928), (1240, 24437), (1736, 17455), (2170, 13964), (3491, 8680), (4340, 6982)]