128238240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20551}}^1$

素因数の和:20582

約数の個数: 96

約数和(自身を含む): 435044736

約数和(自身を除く): 306806496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 6240, 20551, 41102, 61653, 82204, 102755, 123306, 164408, 205510, 246612, 267163, 308265, 328816, 411020, 493224, 534326, 616530, 657632, 801489, 822040, 986448, 1068652, 1233060, 1335815, 1602978, 1644080, 1972896, 2137304, 2466120, 2671630, 3205956, 3288160, 4007445, 4274608, 4932240, 5343260, 6411912, 8014890, 8549216, 9864480, 10686520, 12823824, 16029780, 21373040, 25647648, 32059560, 42746080, 64119120, 128238240]

約数ペア:

[(1, 128238240), (2, 64119120), (3, 42746080), (4, 32059560), (5, 25647648), (6, 21373040), (8, 16029780), (10, 12823824), (12, 10686520), (13, 9864480), (15, 8549216), (16, 8014890), (20, 6411912), (24, 5343260), (26, 4932240), (30, 4274608), (32, 4007445), (39, 3288160), (40, 3205956), (48, 2671630), (52, 2466120), (60, 2137304), (65, 1972896), (78, 1644080), (80, 1602978), (96, 1335815), (104, 1233060), (120, 1068652), (130, 986448), (156, 822040), (160, 801489), (195, 657632), (208, 616530), (240, 534326), (260, 493224), (312, 411020), (390, 328816), (416, 308265), (480, 267163), (520, 246612), (624, 205510), (780, 164408), (1040, 123306), (1248, 102755), (1560, 82204), (2080, 61653), (3120, 41102), (6240, 20551)]