61903280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:382

約数の個数: 80

約数和(自身を含む): 150585600

約数和(自身を除く): 88682320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 109, 124, 155, 218, 229, 248, 310, 436, 458, 496, 545, 620, 872, 916, 1090, 1145, 1240, 1744, 1832, 2180, 2290, 2480, 3379, 3664, 4360, 4580, 6758, 7099, 8720, 9160, 13516, 14198, 16895, 18320, 24961, 27032, 28396, 33790, 35495, 49922, 54064, 56792, 67580, 70990, 99844, 113584, 124805, 135160, 141980, 199688, 249610, 270320, 283960, 399376, 499220, 567920, 773791, 998440, 1547582, 1996880, 3095164, 3868955, 6190328, 7737910, 12380656, 15475820, 30951640, 61903280]

約数ペア:

[(1, 61903280), (2, 30951640), (4, 15475820), (5, 12380656), (8, 7737910), (10, 6190328), (16, 3868955), (20, 3095164), (31, 1996880), (40, 1547582), (62, 998440), (80, 773791), (109, 567920), (124, 499220), (155, 399376), (218, 283960), (229, 270320), (248, 249610), (310, 199688), (436, 141980), (458, 135160), (496, 124805), (545, 113584), (620, 99844), (872, 70990), (916, 67580), (1090, 56792), (1145, 54064), (1240, 49922), (1744, 35495), (1832, 33790), (2180, 28396), (2290, 27032), (2480, 24961), (3379, 18320), (3664, 16895), (4360, 14198), (4580, 13516), (6758, 9160), (7099, 8720)]