129447680

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4397}}^1$

素因数の和:4441

約数の個数: 72

約数和(自身を含む): 323622432

約数和(自身を除く): 194174752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2944, 3680, 4397, 5888, 7360, 8794, 14720, 17588, 21985, 29440, 35176, 43970, 70352, 87940, 101131, 140704, 175880, 202262, 281408, 351760, 404524, 505655, 562816, 703520, 809048, 1011310, 1125632, 1407040, 1618096, 2022620, 2814080, 3236192, 4045240, 5628160, 6472384, 8090480, 12944768, 16180960, 25889536, 32361920, 64723840, 129447680]

約数ペア:

[(1, 129447680), (2, 64723840), (4, 32361920), (5, 25889536), (8, 16180960), (10, 12944768), (16, 8090480), (20, 6472384), (23, 5628160), (32, 4045240), (40, 3236192), (46, 2814080), (64, 2022620), (80, 1618096), (92, 1407040), (115, 1125632), (128, 1011310), (160, 809048), (184, 703520), (230, 562816), (256, 505655), (320, 404524), (368, 351760), (460, 281408), (640, 202262), (736, 175880), (920, 140704), (1280, 101131), (1472, 87940), (1840, 70352), (2944, 43970), (3680, 35176), (4397, 29440), (5888, 21985), (7360, 17588), (8794, 14720)]