77991660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1553}}^1$

素因数の和:1605

約数の個数: 120

約数和(自身を含む): 252717696

約数和(自身を除く): 174726036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 405, 465, 540, 558, 620, 810, 837, 930, 1116, 1395, 1553, 1620, 1674, 1860, 2511, 2790, 3106, 3348, 4185, 4659, 5022, 5580, 6212, 7765, 8370, 9318, 10044, 12555, 13977, 15530, 16740, 18636, 23295, 25110, 27954, 31060, 41931, 46590, 48143, 50220, 55908, 69885, 83862, 93180, 96286, 125793, 139770, 144429, 167724, 192572, 209655, 240715, 251586, 279540, 288858, 419310, 433287, 481430, 503172, 577716, 628965, 722145, 838620, 866574, 962860, 1257930, 1299861, 1444290, 1733148, 2166435, 2515860, 2599722, 2888580, 3899583, 4332870, 5199444, 6499305, 7799166, 8665740, 12998610, 15598332, 19497915, 25997220, 38995830, 77991660]

約数ペア:

[(1, 77991660), (2, 38995830), (3, 25997220), (4, 19497915), (5, 15598332), (6, 12998610), (9, 8665740), (10, 7799166), (12, 6499305), (15, 5199444), (18, 4332870), (20, 3899583), (27, 2888580), (30, 2599722), (31, 2515860), (36, 2166435), (45, 1733148), (54, 1444290), (60, 1299861), (62, 1257930), (81, 962860), (90, 866574), (93, 838620), (108, 722145), (124, 628965), (135, 577716), (155, 503172), (162, 481430), (180, 433287), (186, 419310), (270, 288858), (279, 279540), (310, 251586), (324, 240715), (372, 209655), (405, 192572), (465, 167724), (540, 144429), (558, 139770), (620, 125793), (810, 96286), (837, 93180), (930, 83862), (1116, 69885), (1395, 55908), (1553, 50220), (1620, 48143), (1674, 46590), (1860, 41931), (2511, 31060), (2790, 27954), (3106, 25110), (3348, 23295), (4185, 18636), (4659, 16740), (5022, 15530), (5580, 13977), (6212, 12555), (7765, 10044), (8370, 9318)]