261451740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4451}}^1$

素因数の和:4563

約数の個数: 96

約数和(自身を含む): 807770880

約数和(自身を除く): 546319140

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 89, 110, 132, 165, 178, 220, 267, 330, 356, 445, 534, 660, 890, 979, 1068, 1335, 1780, 1958, 2670, 2937, 3916, 4451, 4895, 5340, 5874, 8902, 9790, 11748, 13353, 14685, 17804, 19580, 22255, 26706, 29370, 44510, 48961, 53412, 58740, 66765, 89020, 97922, 133530, 146883, 195844, 244805, 267060, 293766, 396139, 489610, 587532, 734415, 792278, 979220, 1188417, 1468830, 1584556, 1980695, 2376834, 2937660, 3961390, 4357529, 4753668, 5942085, 7922780, 8715058, 11884170, 13072587, 17430116, 21787645, 23768340, 26145174, 43575290, 52290348, 65362935, 87150580, 130725870, 261451740]

約数ペア:

[(1, 261451740), (2, 130725870), (3, 87150580), (4, 65362935), (5, 52290348), (6, 43575290), (10, 26145174), (11, 23768340), (12, 21787645), (15, 17430116), (20, 13072587), (22, 11884170), (30, 8715058), (33, 7922780), (44, 5942085), (55, 4753668), (60, 4357529), (66, 3961390), (89, 2937660), (110, 2376834), (132, 1980695), (165, 1584556), (178, 1468830), (220, 1188417), (267, 979220), (330, 792278), (356, 734415), (445, 587532), (534, 489610), (660, 396139), (890, 293766), (979, 267060), (1068, 244805), (1335, 195844), (1780, 146883), (1958, 133530), (2670, 97922), (2937, 89020), (3916, 66765), (4451, 58740), (4895, 53412), (5340, 48961), (5874, 44510), (8902, 29370), (9790, 26706), (11748, 22255), (13353, 19580), (14685, 17804)]