51573700980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{18911}}^1$

素因数の和:19174

約数の個数: 144

約数和(自身を含む): 159019660800

約数和(自身を除く): 107445959820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 139, 180, 218, 278, 327, 417, 436, 545, 556, 654, 695, 834, 981, 1090, 1251, 1308, 1390, 1635, 1668, 1962, 2085, 2180, 2502, 2780, 3270, 3924, 4170, 4905, 5004, 6255, 6540, 8340, 9810, 12510, 15151, 18911, 19620, 25020, 30302, 37822, 45453, 56733, 60604, 75644, 75755, 90906, 94555, 113466, 136359, 151510, 170199, 181812, 189110, 226932, 227265, 272718, 283665, 303020, 340398, 378220, 454530, 545436, 567330, 680796, 681795, 850995, 909060, 1134660, 1363590, 1701990, 2061299, 2628629, 2727180, 3403980, 4122598, 5257258, 6183897, 7885887, 8245196, 10306495, 10514516, 12367794, 13143145, 15771774, 18551691, 20612990, 23657661, 24735588, 26286290, 30919485, 31543548, 37103382, 39429435, 41225980, 47315322, 52572580, 61838970, 74206764, 78858870, 92758455, 94630644, 118288305, 123677940, 157717740, 185516910, 236576610, 286520561, 371033820, 473153220, 573041122, 859561683, 1146082244, 1432602805, 1719123366, 2578685049, 2865205610, 3438246732, 4297808415, 5157370098, 5730411220, 8595616830, 10314740196, 12893425245, 17191233660, 25786850490, 51573700980]

約数ペア:

[(1, 51573700980), (2, 25786850490), (3, 17191233660), (4, 12893425245), (5, 10314740196), (6, 8595616830), (9, 5730411220), (10, 5157370098), (12, 4297808415), (15, 3438246732), (18, 2865205610), (20, 2578685049), (30, 1719123366), (36, 1432602805), (45, 1146082244), (60, 859561683), (90, 573041122), (109, 473153220), (139, 371033820), (180, 286520561), (218, 236576610), (278, 185516910), (327, 157717740), (417, 123677940), (436, 118288305), (545, 94630644), (556, 92758455), (654, 78858870), (695, 74206764), (834, 61838970), (981, 52572580), (1090, 47315322), (1251, 41225980), (1308, 39429435), (1390, 37103382), (1635, 31543548), (1668, 30919485), (1962, 26286290), (2085, 24735588), (2180, 23657661), (2502, 20612990), (2780, 18551691), (3270, 15771774), (3924, 13143145), (4170, 12367794), (4905, 10514516), (5004, 10306495), (6255, 8245196), (6540, 7885887), (8340, 6183897), (9810, 5257258), (12510, 4122598), (15151, 3403980), (18911, 2727180), (19620, 2628629), (25020, 2061299), (30302, 1701990), (37822, 1363590), (45453, 1134660), (56733, 909060), (60604, 850995), (75644, 681795), (75755, 680796), (90906, 567330), (94555, 545436), (113466, 454530), (136359, 378220), (151510, 340398), (170199, 303020), (181812, 283665), (189110, 272718), (226932, 227265)]