3331640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 8316000

約数和(自身を除く): 4984360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 149, 172, 215, 260, 298, 344, 430, 520, 559, 596, 745, 860, 1118, 1192, 1490, 1720, 1937, 2236, 2795, 2980, 3874, 4472, 5590, 5960, 6407, 7748, 9685, 11180, 12814, 15496, 19370, 22360, 25628, 32035, 38740, 51256, 64070, 77480, 83291, 128140, 166582, 256280, 333164, 416455, 666328, 832910, 1665820, 3331640]

約数ペア:

[(1, 3331640), (2, 1665820), (4, 832910), (5, 666328), (8, 416455), (10, 333164), (13, 256280), (20, 166582), (26, 128140), (40, 83291), (43, 77480), (52, 64070), (65, 51256), (86, 38740), (104, 32035), (130, 25628), (149, 22360), (172, 19370), (215, 15496), (260, 12814), (298, 11180), (344, 9685), (430, 7748), (520, 6407), (559, 5960), (596, 5590), (745, 4472), (860, 3874), (1118, 2980), (1192, 2795), (1490, 2236), (1720, 1937)]