72890920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2027}}^1$

素因数の和:2098

約数の個数: 64

約数和(自身を含む): 175219200

約数和(自身を除く): 102328280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 580, 620, 899, 1160, 1240, 1798, 2027, 3596, 4054, 4495, 7192, 8108, 8990, 10135, 16216, 17980, 20270, 35960, 40540, 58783, 62837, 81080, 117566, 125674, 235132, 251348, 293915, 314185, 470264, 502696, 587830, 628370, 1175660, 1256740, 1822273, 2351320, 2513480, 3644546, 7289092, 9111365, 14578184, 18222730, 36445460, 72890920]

約数ペア:

[(1, 72890920), (2, 36445460), (4, 18222730), (5, 14578184), (8, 9111365), (10, 7289092), (20, 3644546), (29, 2513480), (31, 2351320), (40, 1822273), (58, 1256740), (62, 1175660), (116, 628370), (124, 587830), (145, 502696), (155, 470264), (232, 314185), (248, 293915), (290, 251348), (310, 235132), (580, 125674), (620, 117566), (899, 81080), (1160, 62837), (1240, 58783), (1798, 40540), (2027, 35960), (3596, 20270), (4054, 17980), (4495, 16216), (7192, 10135), (8108, 8990)]