72407680

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4919}}^1$

素因数の和:4961

約数の個数: 64

約数和(自身を含む): 180662400

約数和(自身を除く): 108254720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 2944, 3680, 4919, 7360, 9838, 14720, 19676, 24595, 39352, 49190, 78704, 98380, 113137, 157408, 196760, 226274, 314816, 393520, 452548, 565685, 629632, 787040, 905096, 1131370, 1574080, 1810192, 2262740, 3148160, 3620384, 4525480, 7240768, 9050960, 14481536, 18101920, 36203840, 72407680]

約数ペア:

[(1, 72407680), (2, 36203840), (4, 18101920), (5, 14481536), (8, 9050960), (10, 7240768), (16, 4525480), (20, 3620384), (23, 3148160), (32, 2262740), (40, 1810192), (46, 1574080), (64, 1131370), (80, 905096), (92, 787040), (115, 629632), (128, 565685), (160, 452548), (184, 393520), (230, 314816), (320, 226274), (368, 196760), (460, 157408), (640, 113137), (736, 98380), (920, 78704), (1472, 49190), (1840, 39352), (2944, 24595), (3680, 19676), (4919, 14720), (7360, 9838)]