72081540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{757}}^1$

素因数の和:818

約数の個数: 108

約数和(自身を含む): 228869004

約数和(自身を除く): 156787464

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 529, 690, 757, 828, 1035, 1058, 1380, 1514, 1587, 2070, 2116, 2271, 2645, 3028, 3174, 3785, 4140, 4542, 4761, 5290, 6348, 6813, 7570, 7935, 9084, 9522, 10580, 11355, 13626, 15140, 15870, 17411, 19044, 22710, 23805, 27252, 31740, 34065, 34822, 45420, 47610, 52233, 68130, 69644, 87055, 95220, 104466, 136260, 156699, 174110, 208932, 261165, 313398, 348220, 400453, 522330, 626796, 783495, 800906, 1044660, 1201359, 1566990, 1601812, 2002265, 2402718, 3133980, 3604077, 4004530, 4805436, 6006795, 7208154, 8009060, 12013590, 14416308, 18020385, 24027180, 36040770, 72081540]

約数ペア:

[(1, 72081540), (2, 36040770), (3, 24027180), (4, 18020385), (5, 14416308), (6, 12013590), (9, 8009060), (10, 7208154), (12, 6006795), (15, 4805436), (18, 4004530), (20, 3604077), (23, 3133980), (30, 2402718), (36, 2002265), (45, 1601812), (46, 1566990), (60, 1201359), (69, 1044660), (90, 800906), (92, 783495), (115, 626796), (138, 522330), (180, 400453), (207, 348220), (230, 313398), (276, 261165), (345, 208932), (414, 174110), (460, 156699), (529, 136260), (690, 104466), (757, 95220), (828, 87055), (1035, 69644), (1058, 68130), (1380, 52233), (1514, 47610), (1587, 45420), (2070, 34822), (2116, 34065), (2271, 31740), (2645, 27252), (3028, 23805), (3174, 22710), (3785, 19044), (4140, 17411), (4542, 15870), (4761, 15140), (5290, 13626), (6348, 11355), (6813, 10580), (7570, 9522), (7935, 9084)]