119921720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{881}}^1$

素因数の和:1016

約数の個数: 64

約数和(自身を含む): 280052640

約数和(自身を除く): 160130920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 83, 164, 166, 205, 328, 332, 410, 415, 664, 820, 830, 881, 1640, 1660, 1762, 3320, 3403, 3524, 4405, 6806, 7048, 8810, 13612, 17015, 17620, 27224, 34030, 35240, 36121, 68060, 72242, 73123, 136120, 144484, 146246, 180605, 288968, 292492, 361210, 365615, 584984, 722420, 731230, 1444840, 1462460, 2924920, 2998043, 5996086, 11992172, 14990215, 23984344, 29980430, 59960860, 119921720]

約数ペア:

[(1, 119921720), (2, 59960860), (4, 29980430), (5, 23984344), (8, 14990215), (10, 11992172), (20, 5996086), (40, 2998043), (41, 2924920), (82, 1462460), (83, 1444840), (164, 731230), (166, 722420), (205, 584984), (328, 365615), (332, 361210), (410, 292492), (415, 288968), (664, 180605), (820, 146246), (830, 144484), (881, 136120), (1640, 73123), (1660, 72242), (1762, 68060), (3320, 36121), (3403, 35240), (3524, 34030), (4405, 27224), (6806, 17620), (7048, 17015), (8810, 13612)]