261234768

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{419}}^2$

素因数の和:880

約数の個数: 60

約数和(自身を含む): 698292608

約数和(自身を除く): 437057840

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 419, 496, 744, 838, 1257, 1488, 1676, 2514, 3352, 5028, 6704, 10056, 12989, 20112, 25978, 38967, 51956, 77934, 103912, 155868, 175561, 207824, 311736, 351122, 526683, 623472, 702244, 1053366, 1404488, 2106732, 2808976, 4213464, 5442391, 8426928, 10884782, 16327173, 21769564, 32654346, 43539128, 65308692, 87078256, 130617384, 261234768]

約数ペア:

[(1, 261234768), (2, 130617384), (3, 87078256), (4, 65308692), (6, 43539128), (8, 32654346), (12, 21769564), (16, 16327173), (24, 10884782), (31, 8426928), (48, 5442391), (62, 4213464), (93, 2808976), (124, 2106732), (186, 1404488), (248, 1053366), (372, 702244), (419, 623472), (496, 526683), (744, 351122), (838, 311736), (1257, 207824), (1488, 175561), (1676, 155868), (2514, 103912), (3352, 77934), (5028, 51956), (6704, 38967), (10056, 25978), (12989, 20112)]