31107180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2099}}^1$

素因数の和:2143

約数の個数: 96

約数和(自身を含む): 98784000

約数和(自身を除く): 67676820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1235, 1482, 2099, 2470, 2964, 3705, 4198, 4940, 6297, 7410, 8396, 10495, 12594, 14820, 20990, 25188, 27287, 31485, 39881, 41980, 54574, 62970, 79762, 81861, 109148, 119643, 125940, 136435, 159524, 163722, 199405, 239286, 272870, 327444, 398810, 409305, 478572, 518453, 545740, 598215, 797620, 818610, 1036906, 1196430, 1555359, 1637220, 2073812, 2392860, 2592265, 3110718, 5184530, 6221436, 7776795, 10369060, 15553590, 31107180]

約数ペア:

[(1, 31107180), (2, 15553590), (3, 10369060), (4, 7776795), (5, 6221436), (6, 5184530), (10, 3110718), (12, 2592265), (13, 2392860), (15, 2073812), (19, 1637220), (20, 1555359), (26, 1196430), (30, 1036906), (38, 818610), (39, 797620), (52, 598215), (57, 545740), (60, 518453), (65, 478572), (76, 409305), (78, 398810), (95, 327444), (114, 272870), (130, 239286), (156, 199405), (190, 163722), (195, 159524), (228, 136435), (247, 125940), (260, 119643), (285, 109148), (380, 81861), (390, 79762), (494, 62970), (570, 54574), (741, 41980), (780, 39881), (988, 31485), (1140, 27287), (1235, 25188), (1482, 20990), (2099, 14820), (2470, 12594), (2964, 10495), (3705, 8396), (4198, 7410), (4940, 6297)]