28819440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3079}}^1$

素因数の和:3111

約数の個数: 120

約数和(自身を含む): 104264160

約数和(自身を除く): 75444720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3079, 3120, 4680, 6158, 9237, 9360, 12316, 15395, 18474, 24632, 27711, 30790, 36948, 40027, 46185, 49264, 55422, 61580, 73896, 80054, 92370, 110844, 120081, 123160, 138555, 147792, 160108, 184740, 200135, 221688, 240162, 246320, 277110, 320216, 360243, 369480, 400270, 443376, 480324, 554220, 600405, 640432, 720486, 738960, 800540, 960648, 1108440, 1200810, 1440972, 1601080, 1801215, 1921296, 2216880, 2401620, 2881944, 3202160, 3602430, 4803240, 5763888, 7204860, 9606480, 14409720, 28819440]

約数ペア:

[(1, 28819440), (2, 14409720), (3, 9606480), (4, 7204860), (5, 5763888), (6, 4803240), (8, 3602430), (9, 3202160), (10, 2881944), (12, 2401620), (13, 2216880), (15, 1921296), (16, 1801215), (18, 1601080), (20, 1440972), (24, 1200810), (26, 1108440), (30, 960648), (36, 800540), (39, 738960), (40, 720486), (45, 640432), (48, 600405), (52, 554220), (60, 480324), (65, 443376), (72, 400270), (78, 369480), (80, 360243), (90, 320216), (104, 277110), (117, 246320), (120, 240162), (130, 221688), (144, 200135), (156, 184740), (180, 160108), (195, 147792), (208, 138555), (234, 123160), (240, 120081), (260, 110844), (312, 92370), (360, 80054), (390, 73896), (468, 61580), (520, 55422), (585, 49264), (624, 46185), (720, 40027), (780, 36948), (936, 30790), (1040, 27711), (1170, 24632), (1560, 18474), (1872, 15395), (2340, 12316), (3079, 9360), (3120, 9237), (4680, 6158)]