255517740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3847}}^1$

素因数の和:3909

約数の個数: 120

約数和(自身を含む): 821332512

約数和(自身を除く): 565814772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 41, 45, 54, 60, 81, 82, 90, 108, 123, 135, 162, 164, 180, 205, 246, 270, 324, 369, 405, 410, 492, 540, 615, 738, 810, 820, 1107, 1230, 1476, 1620, 1845, 2214, 2460, 3321, 3690, 3847, 4428, 5535, 6642, 7380, 7694, 11070, 11541, 13284, 15388, 16605, 19235, 22140, 23082, 33210, 34623, 38470, 46164, 57705, 66420, 69246, 76940, 103869, 115410, 138492, 157727, 173115, 207738, 230820, 311607, 315454, 346230, 415476, 473181, 519345, 623214, 630908, 692460, 788635, 946362, 1038690, 1246428, 1419543, 1558035, 1577270, 1892724, 2077380, 2365905, 2839086, 3116070, 3154540, 4258629, 4731810, 5678172, 6232140, 7097715, 8517258, 9463620, 12775887, 14195430, 17034516, 21293145, 25551774, 28390860, 42586290, 51103548, 63879435, 85172580, 127758870, 255517740]

約数ペア:

[(1, 255517740), (2, 127758870), (3, 85172580), (4, 63879435), (5, 51103548), (6, 42586290), (9, 28390860), (10, 25551774), (12, 21293145), (15, 17034516), (18, 14195430), (20, 12775887), (27, 9463620), (30, 8517258), (36, 7097715), (41, 6232140), (45, 5678172), (54, 4731810), (60, 4258629), (81, 3154540), (82, 3116070), (90, 2839086), (108, 2365905), (123, 2077380), (135, 1892724), (162, 1577270), (164, 1558035), (180, 1419543), (205, 1246428), (246, 1038690), (270, 946362), (324, 788635), (369, 692460), (405, 630908), (410, 623214), (492, 519345), (540, 473181), (615, 415476), (738, 346230), (810, 315454), (820, 311607), (1107, 230820), (1230, 207738), (1476, 173115), (1620, 157727), (1845, 138492), (2214, 115410), (2460, 103869), (3321, 76940), (3690, 69246), (3847, 66420), (4428, 57705), (5535, 46164), (6642, 38470), (7380, 34623), (7694, 33210), (11070, 23082), (11541, 22140), (13284, 19235), (15388, 16605)]