131526420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{499}}^1$

素因数の和:725

約数の個数: 96

約数和(自身を含む): 387072000

約数和(自身を除く): 255545580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 191, 230, 276, 345, 382, 460, 499, 573, 690, 764, 955, 998, 1146, 1380, 1497, 1910, 1996, 2292, 2495, 2865, 2994, 3820, 4393, 4990, 5730, 5988, 7485, 8786, 9980, 11460, 11477, 13179, 14970, 17572, 21965, 22954, 26358, 29940, 34431, 43930, 45908, 52716, 57385, 65895, 68862, 87860, 95309, 114770, 131790, 137724, 172155, 190618, 229540, 263580, 285927, 344310, 381236, 476545, 571854, 688620, 953090, 1143708, 1429635, 1906180, 2192107, 2859270, 4384214, 5718540, 6576321, 8768428, 10960535, 13152642, 21921070, 26305284, 32881605, 43842140, 65763210, 131526420]

約数ペア:

[(1, 131526420), (2, 65763210), (3, 43842140), (4, 32881605), (5, 26305284), (6, 21921070), (10, 13152642), (12, 10960535), (15, 8768428), (20, 6576321), (23, 5718540), (30, 4384214), (46, 2859270), (60, 2192107), (69, 1906180), (92, 1429635), (115, 1143708), (138, 953090), (191, 688620), (230, 571854), (276, 476545), (345, 381236), (382, 344310), (460, 285927), (499, 263580), (573, 229540), (690, 190618), (764, 172155), (955, 137724), (998, 131790), (1146, 114770), (1380, 95309), (1497, 87860), (1910, 68862), (1996, 65895), (2292, 57385), (2495, 52716), (2865, 45908), (2994, 43930), (3820, 34431), (4393, 29940), (4990, 26358), (5730, 22954), (5988, 21965), (7485, 17572), (8786, 14970), (9980, 13179), (11460, 11477)]