398358480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127679}}^1$

素因数の和:127708

約数の個数: 80

約数和(自身を含む): 1329914880

約数和(自身を除く): 931556400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 127679, 255358, 383037, 510716, 638395, 766074, 1021432, 1276790, 1532148, 1659827, 1915185, 2042864, 2553580, 3064296, 3319654, 3830370, 4979481, 5107160, 6128592, 6639308, 7660740, 8299135, 9958962, 10214320, 13278616, 15321480, 16598270, 19917924, 24897405, 26557232, 30642960, 33196540, 39835848, 49794810, 66393080, 79671696, 99589620, 132786160, 199179240, 398358480]

約数ペア:

[(1, 398358480), (2, 199179240), (3, 132786160), (4, 99589620), (5, 79671696), (6, 66393080), (8, 49794810), (10, 39835848), (12, 33196540), (13, 30642960), (15, 26557232), (16, 24897405), (20, 19917924), (24, 16598270), (26, 15321480), (30, 13278616), (39, 10214320), (40, 9958962), (48, 8299135), (52, 7660740), (60, 6639308), (65, 6128592), (78, 5107160), (80, 4979481), (104, 3830370), (120, 3319654), (130, 3064296), (156, 2553580), (195, 2042864), (208, 1915185), (240, 1659827), (260, 1532148), (312, 1276790), (390, 1021432), (520, 766074), (624, 638395), (780, 510716), (1040, 383037), (1560, 255358), (3120, 127679)]