321336080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9967}}^1$

素因数の和:10024

約数の個数: 80

約数和(自身を含む): 830613504

約数和(自身を除く): 509277424

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 9967, 16120, 19934, 32240, 39868, 49835, 79736, 99670, 129571, 159472, 199340, 259142, 308977, 398680, 518284, 617954, 647855, 797360, 1036568, 1235908, 1295710, 1544885, 2073136, 2471816, 2591420, 3089770, 4016701, 4943632, 5182840, 6179540, 8033402, 10365680, 12359080, 16066804, 20083505, 24718160, 32133608, 40167010, 64267216, 80334020, 160668040, 321336080]

約数ペア:

[(1, 321336080), (2, 160668040), (4, 80334020), (5, 64267216), (8, 40167010), (10, 32133608), (13, 24718160), (16, 20083505), (20, 16066804), (26, 12359080), (31, 10365680), (40, 8033402), (52, 6179540), (62, 5182840), (65, 4943632), (80, 4016701), (104, 3089770), (124, 2591420), (130, 2471816), (155, 2073136), (208, 1544885), (248, 1295710), (260, 1235908), (310, 1036568), (403, 797360), (496, 647855), (520, 617954), (620, 518284), (806, 398680), (1040, 308977), (1240, 259142), (1612, 199340), (2015, 159472), (2480, 129571), (3224, 99670), (4030, 79736), (6448, 49835), (8060, 39868), (9967, 32240), (16120, 19934)]