83120720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:460

約数の個数: 80

約数和(自身を含む): 201064512

約数和(自身を除く): 117943792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 73, 80, 86, 146, 172, 215, 292, 331, 344, 365, 430, 584, 662, 688, 730, 860, 1168, 1324, 1460, 1655, 1720, 2648, 2920, 3139, 3310, 3440, 5296, 5840, 6278, 6620, 12556, 13240, 14233, 15695, 24163, 25112, 26480, 28466, 31390, 48326, 50224, 56932, 62780, 71165, 96652, 113864, 120815, 125560, 142330, 193304, 227728, 241630, 251120, 284660, 386608, 483260, 569320, 966520, 1039009, 1138640, 1933040, 2078018, 4156036, 5195045, 8312072, 10390090, 16624144, 20780180, 41560360, 83120720]

約数ペア:

[(1, 83120720), (2, 41560360), (4, 20780180), (5, 16624144), (8, 10390090), (10, 8312072), (16, 5195045), (20, 4156036), (40, 2078018), (43, 1933040), (73, 1138640), (80, 1039009), (86, 966520), (146, 569320), (172, 483260), (215, 386608), (292, 284660), (331, 251120), (344, 241630), (365, 227728), (430, 193304), (584, 142330), (662, 125560), (688, 120815), (730, 113864), (860, 96652), (1168, 71165), (1324, 62780), (1460, 56932), (1655, 50224), (1720, 48326), (2648, 31390), (2920, 28466), (3139, 26480), (3310, 25112), (3440, 24163), (5296, 15695), (5840, 14233), (6278, 13240), (6620, 12556)]