256444128

素因数分解:

$2^5\times 3^2\times {\mathrm{173}}^1\times {\mathrm{5147}}^1$

素因数の和:5336

約数の個数: 72

約数和(自身を含む): 733620888

約数和(自身を除く): 477176760

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 173, 288, 346, 519, 692, 1038, 1384, 1557, 2076, 2768, 3114, 4152, 5147, 5536, 6228, 8304, 10294, 12456, 15441, 16608, 20588, 24912, 30882, 41176, 46323, 49824, 61764, 82352, 92646, 123528, 164704, 185292, 247056, 370584, 494112, 741168, 890431, 1482336, 1780862, 2671293, 3561724, 5342586, 7123448, 8013879, 10685172, 14246896, 16027758, 21370344, 28493792, 32055516, 42740688, 64111032, 85481376, 128222064, 256444128]

約数ペア:

[(1, 256444128), (2, 128222064), (3, 85481376), (4, 64111032), (6, 42740688), (8, 32055516), (9, 28493792), (12, 21370344), (16, 16027758), (18, 14246896), (24, 10685172), (32, 8013879), (36, 7123448), (48, 5342586), (72, 3561724), (96, 2671293), (144, 1780862), (173, 1482336), (288, 890431), (346, 741168), (519, 494112), (692, 370584), (1038, 247056), (1384, 185292), (1557, 164704), (2076, 123528), (2768, 92646), (3114, 82352), (4152, 61764), (5147, 49824), (5536, 46323), (6228, 41176), (8304, 30882), (10294, 24912), (12456, 20588), (15441, 16608)]