64723840

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4397}}^1$

素因数の和:4439

約数の個数: 64

約数和(自身を含む): 161494560

約数和(自身を除く): 96770720

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, 4397, 7360, 8794, 14720, 17588, 21985, 35176, 43970, 70352, 87940, 101131, 140704, 175880, 202262, 281408, 351760, 404524, 505655, 562816, 703520, 809048, 1011310, 1407040, 1618096, 2022620, 2814080, 3236192, 4045240, 6472384, 8090480, 12944768, 16180960, 32361920, 64723840]

約数ペア:

[(1, 64723840), (2, 32361920), (4, 16180960), (5, 12944768), (8, 8090480), (10, 6472384), (16, 4045240), (20, 3236192), (23, 2814080), (32, 2022620), (40, 1618096), (46, 1407040), (64, 1011310), (80, 809048), (92, 703520), (115, 562816), (128, 505655), (160, 404524), (184, 351760), (230, 281408), (320, 202262), (368, 175880), (460, 140704), (640, 101131), (736, 87940), (920, 70352), (1472, 43970), (1840, 35176), (2944, 21985), (3680, 17588), (4397, 14720), (7360, 8794)]