61587540

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{5431}}^1$

素因数の和:5459

約数の個数: 120

約数和(自身を含む): 220843392

約数和(自身を除く): 159255852

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5431, 5670, 10862, 11340, 16293, 21724, 27155, 32586, 38017, 48879, 54310, 65172, 76034, 81465, 97758, 108620, 114051, 146637, 152068, 162930, 190085, 195516, 228102, 244395, 293274, 325860, 342153, 380170, 439911, 456204, 488790, 570255, 586548, 684306, 733185, 760340, 879822, 977580, 1026459, 1140510, 1368612, 1466370, 1710765, 1759644, 2052918, 2199555, 2281020, 2932740, 3079377, 3421530, 4105836, 4399110, 5132295, 6158754, 6843060, 8798220, 10264590, 12317508, 15396885, 20529180, 30793770, 61587540]

約数ペア:

[(1, 61587540), (2, 30793770), (3, 20529180), (4, 15396885), (5, 12317508), (6, 10264590), (7, 8798220), (9, 6843060), (10, 6158754), (12, 5132295), (14, 4399110), (15, 4105836), (18, 3421530), (20, 3079377), (21, 2932740), (27, 2281020), (28, 2199555), (30, 2052918), (35, 1759644), (36, 1710765), (42, 1466370), (45, 1368612), (54, 1140510), (60, 1026459), (63, 977580), (70, 879822), (81, 760340), (84, 733185), (90, 684306), (105, 586548), (108, 570255), (126, 488790), (135, 456204), (140, 439911), (162, 380170), (180, 342153), (189, 325860), (210, 293274), (252, 244395), (270, 228102), (315, 195516), (324, 190085), (378, 162930), (405, 152068), (420, 146637), (540, 114051), (567, 108620), (630, 97758), (756, 81465), (810, 76034), (945, 65172), (1134, 54310), (1260, 48879), (1620, 38017), (1890, 32586), (2268, 27155), (2835, 21724), (3780, 16293), (5431, 11340), (5670, 10862)]