30851640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1993}}^1$

素因数の和:2053

約数の個数: 96

約数和(自身を含む): 102651120

約数和(自身を除く): 71799480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 344, 360, 387, 430, 516, 645, 774, 860, 1032, 1290, 1548, 1720, 1935, 1993, 2580, 3096, 3870, 3986, 5160, 5979, 7740, 7972, 9965, 11958, 15480, 15944, 17937, 19930, 23916, 29895, 35874, 39860, 47832, 59790, 71748, 79720, 85699, 89685, 119580, 143496, 171398, 179370, 239160, 257097, 342796, 358740, 428495, 514194, 685592, 717480, 771291, 856990, 1028388, 1285485, 1542582, 1713980, 2056776, 2570970, 3085164, 3427960, 3856455, 5141940, 6170328, 7712910, 10283880, 15425820, 30851640]

約数ペア:

[(1, 30851640), (2, 15425820), (3, 10283880), (4, 7712910), (5, 6170328), (6, 5141940), (8, 3856455), (9, 3427960), (10, 3085164), (12, 2570970), (15, 2056776), (18, 1713980), (20, 1542582), (24, 1285485), (30, 1028388), (36, 856990), (40, 771291), (43, 717480), (45, 685592), (60, 514194), (72, 428495), (86, 358740), (90, 342796), (120, 257097), (129, 239160), (172, 179370), (180, 171398), (215, 143496), (258, 119580), (344, 89685), (360, 85699), (387, 79720), (430, 71748), (516, 59790), (645, 47832), (774, 39860), (860, 35874), (1032, 29895), (1290, 23916), (1548, 19930), (1720, 17937), (1935, 15944), (1993, 15480), (2580, 11958), (3096, 9965), (3870, 7972), (3986, 7740), (5160, 5979)]