407264960

素因数分解:

$2^6\times 5^1\times {\mathrm{479}}^1\times {\mathrm{2657}}^1$

素因数の和:3153

約数の個数: 56

約数和(自身を含む): 972190080

約数和(自身を除く): 564925120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 479, 958, 1916, 2395, 2657, 3832, 4790, 5314, 7664, 9580, 10628, 13285, 15328, 19160, 21256, 26570, 30656, 38320, 42512, 53140, 76640, 85024, 106280, 153280, 170048, 212560, 425120, 850240, 1272703, 2545406, 5090812, 6363515, 10181624, 12727030, 20363248, 25454060, 40726496, 50908120, 81452992, 101816240, 203632480, 407264960]

約数ペア:

[(1, 407264960), (2, 203632480), (4, 101816240), (5, 81452992), (8, 50908120), (10, 40726496), (16, 25454060), (20, 20363248), (32, 12727030), (40, 10181624), (64, 6363515), (80, 5090812), (160, 2545406), (320, 1272703), (479, 850240), (958, 425120), (1916, 212560), (2395, 170048), (2657, 153280), (3832, 106280), (4790, 85024), (5314, 76640), (7664, 53140), (9580, 42512), (10628, 38320), (13285, 30656), (15328, 26570), (19160, 21256)]