131534320

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 314479872

約数和(自身を除く): 182945552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 101, 146, 202, 223, 292, 365, 404, 446, 505, 584, 730, 808, 892, 1010, 1115, 1168, 1460, 1616, 1784, 2020, 2230, 2920, 3568, 4040, 4460, 5840, 7373, 8080, 8920, 14746, 16279, 17840, 22523, 29492, 32558, 36865, 45046, 58984, 65116, 73730, 81395, 90092, 112615, 117968, 130232, 147460, 162790, 180184, 225230, 260464, 294920, 325580, 360368, 450460, 589840, 651160, 900920, 1302320, 1644179, 1801840, 3288358, 6576716, 8220895, 13153432, 16441790, 26306864, 32883580, 65767160, 131534320]

約数ペア:

[(1, 131534320), (2, 65767160), (4, 32883580), (5, 26306864), (8, 16441790), (10, 13153432), (16, 8220895), (20, 6576716), (40, 3288358), (73, 1801840), (80, 1644179), (101, 1302320), (146, 900920), (202, 651160), (223, 589840), (292, 450460), (365, 360368), (404, 325580), (446, 294920), (505, 260464), (584, 225230), (730, 180184), (808, 162790), (892, 147460), (1010, 130232), (1115, 117968), (1168, 112615), (1460, 90092), (1616, 81395), (1784, 73730), (2020, 65116), (2230, 58984), (2920, 45046), (3568, 36865), (4040, 32558), (4460, 29492), (5840, 22523), (7373, 17840), (8080, 16279), (8920, 14746)]