21545928720

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{3324989}}^1$

素因数の和:3325014

約数の個数: 100

約数和(自身を含む): 74832224940

約数和(自身を除く): 53286296220

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 3324989, 6649978, 9974967, 13299956, 16624945, 19949934, 26599912, 29924901, 33249890, 39899868, 49874835, 53199824, 59849802, 66499780, 79799736, 89774703, 99749670, 119699604, 132999560, 149624505, 159599472, 179549406, 199499340, 239399208, 265999120, 269324109, 299249010, 359098812, 398998680, 448873515, 478798416, 538648218, 598498020, 718197624, 797997360, 897747030, 1077296436, 1196996040, 1346620545, 1436395248, 1795494060, 2154592872, 2393992080, 2693241090, 3590988120, 4309185744, 5386482180, 7181976240, 10772964360, 21545928720]

約数ペア:

[(1, 21545928720), (2, 10772964360), (3, 7181976240), (4, 5386482180), (5, 4309185744), (6, 3590988120), (8, 2693241090), (9, 2393992080), (10, 2154592872), (12, 1795494060), (15, 1436395248), (16, 1346620545), (18, 1196996040), (20, 1077296436), (24, 897747030), (27, 797997360), (30, 718197624), (36, 598498020), (40, 538648218), (45, 478798416), (48, 448873515), (54, 398998680), (60, 359098812), (72, 299249010), (80, 269324109), (81, 265999120), (90, 239399208), (108, 199499340), (120, 179549406), (135, 159599472), (144, 149624505), (162, 132999560), (180, 119699604), (216, 99749670), (240, 89774703), (270, 79799736), (324, 66499780), (360, 59849802), (405, 53199824), (432, 49874835), (540, 39899868), (648, 33249890), (720, 29924901), (810, 26599912), (1080, 19949934), (1296, 16624945), (1620, 13299956), (2160, 9974967), (3240, 6649978), (6480, 3324989)]