205386480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21943}}^1$

素因数の和:21975

約数の個数: 120

約数和(自身を含む): 742848288

約数和(自身を除く): 537461808

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, 3120, 4680, 9360, 21943, 43886, 65829, 87772, 109715, 131658, 175544, 197487, 219430, 263316, 285259, 329145, 351088, 394974, 438860, 526632, 570518, 658290, 789948, 855777, 877720, 987435, 1053264, 1141036, 1316580, 1426295, 1579896, 1711554, 1755440, 1974870, 2282072, 2567331, 2633160, 2852590, 3159792, 3423108, 3949740, 4278885, 4564144, 5134662, 5266320, 5705180, 6846216, 7899480, 8557770, 10269324, 11410360, 12836655, 13692432, 15798960, 17115540, 20538648, 22820720, 25673310, 34231080, 41077296, 51346620, 68462160, 102693240, 205386480]

約数ペア:

[(1, 205386480), (2, 102693240), (3, 68462160), (4, 51346620), (5, 41077296), (6, 34231080), (8, 25673310), (9, 22820720), (10, 20538648), (12, 17115540), (13, 15798960), (15, 13692432), (16, 12836655), (18, 11410360), (20, 10269324), (24, 8557770), (26, 7899480), (30, 6846216), (36, 5705180), (39, 5266320), (40, 5134662), (45, 4564144), (48, 4278885), (52, 3949740), (60, 3423108), (65, 3159792), (72, 2852590), (78, 2633160), (80, 2567331), (90, 2282072), (104, 1974870), (117, 1755440), (120, 1711554), (130, 1579896), (144, 1426295), (156, 1316580), (180, 1141036), (195, 1053264), (208, 987435), (234, 877720), (240, 855777), (260, 789948), (312, 658290), (360, 570518), (390, 526632), (468, 438860), (520, 394974), (585, 351088), (624, 329145), (720, 285259), (780, 263316), (936, 219430), (1040, 197487), (1170, 175544), (1560, 131658), (1872, 109715), (2340, 87772), (3120, 65829), (4680, 43886), (9360, 21943)]