81766370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{857}}^1$

素因数の和:947

約数の個数: 64

約数和(自身を含む): 177914880

約数和(自身を除く): 96148510

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 47, 58, 70, 94, 145, 203, 235, 290, 329, 406, 470, 658, 857, 1015, 1363, 1645, 1714, 2030, 2726, 3290, 4285, 5999, 6815, 8570, 9541, 11998, 13630, 19082, 24853, 29995, 40279, 47705, 49706, 59990, 80558, 95410, 124265, 173971, 201395, 248530, 281953, 347942, 402790, 563906, 869855, 1168091, 1409765, 1739710, 2336182, 2819530, 5840455, 8176637, 11680910, 16353274, 40883185, 81766370]

約数ペア:

[(1, 81766370), (2, 40883185), (5, 16353274), (7, 11680910), (10, 8176637), (14, 5840455), (29, 2819530), (35, 2336182), (47, 1739710), (58, 1409765), (70, 1168091), (94, 869855), (145, 563906), (203, 402790), (235, 347942), (290, 281953), (329, 248530), (406, 201395), (470, 173971), (658, 124265), (857, 95410), (1015, 80558), (1363, 59990), (1645, 49706), (1714, 47705), (2030, 40279), (2726, 29995), (3290, 24853), (4285, 19082), (5999, 13630), (6815, 11998), (8570, 9541)]