219875280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53891}}^1$

素因数の和:53924

約数の個数: 80

約数和(自身を含む): 721721664

約数和(自身を除く): 501846384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 53891, 107782, 161673, 215564, 269455, 323346, 431128, 538910, 646692, 808365, 862256, 916147, 1077820, 1293384, 1616730, 1832294, 2155640, 2586768, 2748441, 3233460, 3664588, 4311280, 4580735, 5496882, 6466920, 7329176, 9161470, 10993764, 12933840, 13742205, 14658352, 18322940, 21987528, 27484410, 36645880, 43975056, 54968820, 73291760, 109937640, 219875280]

約数ペア:

[(1, 219875280), (2, 109937640), (3, 73291760), (4, 54968820), (5, 43975056), (6, 36645880), (8, 27484410), (10, 21987528), (12, 18322940), (15, 14658352), (16, 13742205), (17, 12933840), (20, 10993764), (24, 9161470), (30, 7329176), (34, 6466920), (40, 5496882), (48, 4580735), (51, 4311280), (60, 3664588), (68, 3233460), (80, 2748441), (85, 2586768), (102, 2155640), (120, 1832294), (136, 1616730), (170, 1293384), (204, 1077820), (240, 916147), (255, 862256), (272, 808365), (340, 646692), (408, 538910), (510, 431128), (680, 323346), (816, 269455), (1020, 215564), (1360, 161673), (2040, 107782), (4080, 53891)]