215006640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{895861}}^1$

素因数の和:895877

約数の個数: 40

約数和(自身を含む): 666521328

約数和(自身を除く): 451514688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 895861, 1791722, 2687583, 3583444, 4479305, 5375166, 7166888, 8958610, 10750332, 13437915, 14333776, 17917220, 21500664, 26875830, 35834440, 43001328, 53751660, 71668880, 107503320, 215006640]

約数ペア:

[(1, 215006640), (2, 107503320), (3, 71668880), (4, 53751660), (5, 43001328), (6, 35834440), (8, 26875830), (10, 21500664), (12, 17917220), (15, 14333776), (16, 13437915), (20, 10750332), (24, 8958610), (30, 7166888), (40, 5375166), (48, 4479305), (60, 3583444), (80, 2687583), (120, 1791722), (240, 895861)]