81259740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5189}}^1$

素因数の和:5236

約数の個数: 96

約数和(自身を含む): 261576000

約数和(自身を除く): 180316260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 87, 90, 108, 116, 135, 145, 174, 180, 261, 270, 290, 348, 435, 522, 540, 580, 783, 870, 1044, 1305, 1566, 1740, 2610, 3132, 3915, 5189, 5220, 7830, 10378, 15567, 15660, 20756, 25945, 31134, 46701, 51890, 62268, 77835, 93402, 103780, 140103, 150481, 155670, 186804, 233505, 280206, 300962, 311340, 451443, 467010, 560412, 601924, 700515, 752405, 902886, 934020, 1354329, 1401030, 1504810, 1805772, 2257215, 2708658, 2802060, 3009620, 4062987, 4514430, 5417316, 6771645, 8125974, 9028860, 13543290, 16251948, 20314935, 27086580, 40629870, 81259740]

約数ペア:

[(1, 81259740), (2, 40629870), (3, 27086580), (4, 20314935), (5, 16251948), (6, 13543290), (9, 9028860), (10, 8125974), (12, 6771645), (15, 5417316), (18, 4514430), (20, 4062987), (27, 3009620), (29, 2802060), (30, 2708658), (36, 2257215), (45, 1805772), (54, 1504810), (58, 1401030), (60, 1354329), (87, 934020), (90, 902886), (108, 752405), (116, 700515), (135, 601924), (145, 560412), (174, 467010), (180, 451443), (261, 311340), (270, 300962), (290, 280206), (348, 233505), (435, 186804), (522, 155670), (540, 150481), (580, 140103), (783, 103780), (870, 93402), (1044, 77835), (1305, 62268), (1566, 51890), (1740, 46701), (2610, 31134), (3132, 25945), (3915, 20756), (5189, 15660), (5220, 15567), (7830, 10378)]