131586780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{683}}^1$

素因数の和:740

約数の個数: 144

約数和(自身を含む): 420577920

約数和(自身を除く): 288991140

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, 169, 190, 195, 228, 247, 260, 285, 338, 380, 390, 494, 507, 570, 676, 683, 741, 780, 845, 988, 1014, 1140, 1235, 1366, 1482, 1690, 2028, 2049, 2470, 2535, 2732, 2964, 3211, 3380, 3415, 3705, 4098, 4940, 5070, 6422, 6830, 7410, 8196, 8879, 9633, 10140, 10245, 12844, 12977, 13660, 14820, 16055, 17758, 19266, 20490, 25954, 26637, 32110, 35516, 38532, 38931, 40980, 44395, 48165, 51908, 53274, 64220, 64885, 77862, 88790, 96330, 106548, 115427, 129770, 133185, 155724, 168701, 177580, 192660, 194655, 230854, 259540, 266370, 337402, 346281, 389310, 461708, 506103, 532740, 577135, 674804, 692562, 778620, 843505, 1012206, 1154270, 1385124, 1687010, 1731405, 2024412, 2193113, 2308540, 2530515, 3374020, 3462810, 4386226, 5061030, 6579339, 6925620, 8772452, 10122060, 10965565, 13158678, 21931130, 26317356, 32896695, 43862260, 65793390, 131586780]

約数ペア:

[(1, 131586780), (2, 65793390), (3, 43862260), (4, 32896695), (5, 26317356), (6, 21931130), (10, 13158678), (12, 10965565), (13, 10122060), (15, 8772452), (19, 6925620), (20, 6579339), (26, 5061030), (30, 4386226), (38, 3462810), (39, 3374020), (52, 2530515), (57, 2308540), (60, 2193113), (65, 2024412), (76, 1731405), (78, 1687010), (95, 1385124), (114, 1154270), (130, 1012206), (156, 843505), (169, 778620), (190, 692562), (195, 674804), (228, 577135), (247, 532740), (260, 506103), (285, 461708), (338, 389310), (380, 346281), (390, 337402), (494, 266370), (507, 259540), (570, 230854), (676, 194655), (683, 192660), (741, 177580), (780, 168701), (845, 155724), (988, 133185), (1014, 129770), (1140, 115427), (1235, 106548), (1366, 96330), (1482, 88790), (1690, 77862), (2028, 64885), (2049, 64220), (2470, 53274), (2535, 51908), (2732, 48165), (2964, 44395), (3211, 40980), (3380, 38931), (3415, 38532), (3705, 35516), (4098, 32110), (4940, 26637), (5070, 25954), (6422, 20490), (6830, 19266), (7410, 17758), (8196, 16055), (8879, 14820), (9633, 13660), (10140, 12977), (10245, 12844)]