261266976

素因数分解:

$2^5\times 3^2\times {\mathrm{89}}^1\times {\mathrm{10193}}^1$

素因数の和:10298

約数の個数: 72

約数和(自身を含む): 751399740

約数和(自身を除く): 490132764

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 89, 96, 144, 178, 267, 288, 356, 534, 712, 801, 1068, 1424, 1602, 2136, 2848, 3204, 4272, 6408, 8544, 10193, 12816, 20386, 25632, 30579, 40772, 61158, 81544, 91737, 122316, 163088, 183474, 244632, 326176, 366948, 489264, 733896, 907177, 978528, 1467792, 1814354, 2721531, 2935584, 3628708, 5443062, 7257416, 8164593, 10886124, 14514832, 16329186, 21772248, 29029664, 32658372, 43544496, 65316744, 87088992, 130633488, 261266976]

約数ペア:

[(1, 261266976), (2, 130633488), (3, 87088992), (4, 65316744), (6, 43544496), (8, 32658372), (9, 29029664), (12, 21772248), (16, 16329186), (18, 14514832), (24, 10886124), (32, 8164593), (36, 7257416), (48, 5443062), (72, 3628708), (89, 2935584), (96, 2721531), (144, 1814354), (178, 1467792), (267, 978528), (288, 907177), (356, 733896), (534, 489264), (712, 366948), (801, 326176), (1068, 244632), (1424, 183474), (1602, 163088), (2136, 122316), (2848, 91737), (3204, 81544), (4272, 61158), (6408, 40772), (8544, 30579), (10193, 25632), (12816, 20386)]