138615880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8599}}^1$

素因数の和:8654

約数の個数: 64

約数和(自身を含む): 346752000

約数和(自身を除く): 208136120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 8599, 16120, 17198, 34396, 42995, 68792, 85990, 111787, 171980, 223574, 266569, 343960, 447148, 533138, 558935, 894296, 1066276, 1117870, 1332845, 2132552, 2235740, 2665690, 3465397, 4471480, 5331380, 6930794, 10662760, 13861588, 17326985, 27723176, 34653970, 69307940, 138615880]

約数ペア:

[(1, 138615880), (2, 69307940), (4, 34653970), (5, 27723176), (8, 17326985), (10, 13861588), (13, 10662760), (20, 6930794), (26, 5331380), (31, 4471480), (40, 3465397), (52, 2665690), (62, 2235740), (65, 2132552), (104, 1332845), (124, 1117870), (130, 1066276), (155, 894296), (248, 558935), (260, 533138), (310, 447148), (403, 343960), (520, 266569), (620, 223574), (806, 171980), (1240, 111787), (1612, 85990), (2015, 68792), (3224, 42995), (4030, 34396), (8060, 17198), (8599, 16120)]