204907680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{142297}}^1$

素因数の和:142318

約数の個数: 72

約数和(自身を含む): 699252372

約数和(自身を除く): 494344692

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 142297, 284594, 426891, 569188, 711485, 853782, 1138376, 1280673, 1422970, 1707564, 2134455, 2276752, 2561346, 2845940, 3415128, 4268910, 4553504, 5122692, 5691880, 6403365, 6830256, 8537820, 10245384, 11383760, 12806730, 13660512, 17075640, 20490768, 22767520, 25613460, 34151280, 40981536, 51226920, 68302560, 102453840, 204907680]

約数ペア:

[(1, 204907680), (2, 102453840), (3, 68302560), (4, 51226920), (5, 40981536), (6, 34151280), (8, 25613460), (9, 22767520), (10, 20490768), (12, 17075640), (15, 13660512), (16, 12806730), (18, 11383760), (20, 10245384), (24, 8537820), (30, 6830256), (32, 6403365), (36, 5691880), (40, 5122692), (45, 4553504), (48, 4268910), (60, 3415128), (72, 2845940), (80, 2561346), (90, 2276752), (96, 2134455), (120, 1707564), (144, 1422970), (160, 1280673), (180, 1138376), (240, 853782), (288, 711485), (360, 569188), (480, 426891), (720, 284594), (1440, 142297)]