281259660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2039}}^1$

素因数の和:2092

約数の個数: 144

約数和(自身を含む): 911635200

約数和(自身を除く): 630375540

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 44, 55, 57, 60, 66, 76, 95, 110, 114, 121, 132, 165, 190, 209, 220, 228, 242, 285, 330, 363, 380, 418, 484, 570, 605, 627, 660, 726, 836, 1045, 1140, 1210, 1254, 1452, 1815, 2039, 2090, 2299, 2420, 2508, 3135, 3630, 4078, 4180, 4598, 6117, 6270, 6897, 7260, 8156, 9196, 10195, 11495, 12234, 12540, 13794, 20390, 22429, 22990, 24468, 27588, 30585, 34485, 38741, 40780, 44858, 45980, 61170, 67287, 68970, 77482, 89716, 112145, 116223, 122340, 134574, 137940, 154964, 193705, 224290, 232446, 246719, 269148, 336435, 387410, 426151, 448580, 464892, 493438, 581115, 672870, 740157, 774820, 852302, 986876, 1162230, 1233595, 1278453, 1345740, 1480314, 1704604, 2130755, 2324460, 2467190, 2556906, 2960628, 3700785, 4261510, 4687661, 4934380, 5113812, 6392265, 7401570, 8523020, 9375322, 12784530, 14062983, 14803140, 18750644, 23438305, 25569060, 28125966, 46876610, 56251932, 70314915, 93753220, 140629830, 281259660]

約数ペア:

[(1, 281259660), (2, 140629830), (3, 93753220), (4, 70314915), (5, 56251932), (6, 46876610), (10, 28125966), (11, 25569060), (12, 23438305), (15, 18750644), (19, 14803140), (20, 14062983), (22, 12784530), (30, 9375322), (33, 8523020), (38, 7401570), (44, 6392265), (55, 5113812), (57, 4934380), (60, 4687661), (66, 4261510), (76, 3700785), (95, 2960628), (110, 2556906), (114, 2467190), (121, 2324460), (132, 2130755), (165, 1704604), (190, 1480314), (209, 1345740), (220, 1278453), (228, 1233595), (242, 1162230), (285, 986876), (330, 852302), (363, 774820), (380, 740157), (418, 672870), (484, 581115), (570, 493438), (605, 464892), (627, 448580), (660, 426151), (726, 387410), (836, 336435), (1045, 269148), (1140, 246719), (1210, 232446), (1254, 224290), (1452, 193705), (1815, 154964), (2039, 137940), (2090, 134574), (2299, 122340), (2420, 116223), (2508, 112145), (3135, 89716), (3630, 77482), (4078, 68970), (4180, 67287), (4598, 61170), (6117, 45980), (6270, 44858), (6897, 40780), (7260, 38741), (8156, 34485), (9196, 30585), (10195, 27588), (11495, 24468), (12234, 22990), (12540, 22429), (13794, 20390)]