31851260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:267

約数の個数: 96

約数和(自身を含む): 81285120

約数和(自身を除く): 49433860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 41, 62, 70, 82, 124, 140, 155, 164, 179, 205, 217, 287, 310, 358, 410, 434, 574, 620, 716, 820, 868, 895, 1085, 1148, 1253, 1271, 1435, 1790, 2170, 2506, 2542, 2870, 3580, 4340, 5012, 5084, 5549, 5740, 6265, 6355, 7339, 8897, 11098, 12530, 12710, 14678, 17794, 22196, 25060, 25420, 27745, 29356, 35588, 36695, 38843, 44485, 51373, 55490, 73390, 77686, 88970, 102746, 110980, 146780, 155372, 177940, 194215, 205492, 227509, 256865, 388430, 455018, 513730, 776860, 910036, 1027460, 1137545, 1592563, 2275090, 3185126, 4550180, 6370252, 7962815, 15925630, 31851260]

約数ペア:

[(1, 31851260), (2, 15925630), (4, 7962815), (5, 6370252), (7, 4550180), (10, 3185126), (14, 2275090), (20, 1592563), (28, 1137545), (31, 1027460), (35, 910036), (41, 776860), (62, 513730), (70, 455018), (82, 388430), (124, 256865), (140, 227509), (155, 205492), (164, 194215), (179, 177940), (205, 155372), (217, 146780), (287, 110980), (310, 102746), (358, 88970), (410, 77686), (434, 73390), (574, 55490), (620, 51373), (716, 44485), (820, 38843), (868, 36695), (895, 35588), (1085, 29356), (1148, 27745), (1253, 25420), (1271, 25060), (1435, 22196), (1790, 17794), (2170, 14678), (2506, 12710), (2542, 12530), (2870, 11098), (3580, 8897), (4340, 7339), (5012, 6355), (5084, 6265), (5549, 5740)]