145781840

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2027}}^1$

素因数の和:2100

約数の個数: 80

約数和(自身を含む): 362119680

約数和(自身を除く): 216337840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 145, 155, 232, 248, 290, 310, 464, 496, 580, 620, 899, 1160, 1240, 1798, 2027, 2320, 2480, 3596, 4054, 4495, 7192, 8108, 8990, 10135, 14384, 16216, 17980, 20270, 32432, 35960, 40540, 58783, 62837, 71920, 81080, 117566, 125674, 162160, 235132, 251348, 293915, 314185, 470264, 502696, 587830, 628370, 940528, 1005392, 1175660, 1256740, 1822273, 2351320, 2513480, 3644546, 4702640, 5026960, 7289092, 9111365, 14578184, 18222730, 29156368, 36445460, 72890920, 145781840]

約数ペア:

[(1, 145781840), (2, 72890920), (4, 36445460), (5, 29156368), (8, 18222730), (10, 14578184), (16, 9111365), (20, 7289092), (29, 5026960), (31, 4702640), (40, 3644546), (58, 2513480), (62, 2351320), (80, 1822273), (116, 1256740), (124, 1175660), (145, 1005392), (155, 940528), (232, 628370), (248, 587830), (290, 502696), (310, 470264), (464, 314185), (496, 293915), (580, 251348), (620, 235132), (899, 162160), (1160, 125674), (1240, 117566), (1798, 81080), (2027, 71920), (2320, 62837), (2480, 58783), (3596, 40540), (4054, 35960), (4495, 32432), (7192, 20270), (8108, 17980), (8990, 16216), (10135, 14384)]