205575720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{244733}}^1$

素因数の和:244754

約数の個数: 64

約数和(自身を含む): 704833920

約数和(自身を除く): 499258200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 244733, 489466, 734199, 978932, 1223665, 1468398, 1713131, 1957864, 2447330, 2936796, 3426262, 3670995, 4894660, 5139393, 5873592, 6852524, 7341990, 8565655, 9789320, 10278786, 13705048, 14683980, 17131310, 20557572, 25696965, 29367960, 34262620, 41115144, 51393930, 68525240, 102787860, 205575720]

約数ペア:

[(1, 205575720), (2, 102787860), (3, 68525240), (4, 51393930), (5, 41115144), (6, 34262620), (7, 29367960), (8, 25696965), (10, 20557572), (12, 17131310), (14, 14683980), (15, 13705048), (20, 10278786), (21, 9789320), (24, 8565655), (28, 7341990), (30, 6852524), (35, 5873592), (40, 5139393), (42, 4894660), (56, 3670995), (60, 3426262), (70, 2936796), (84, 2447330), (105, 1957864), (120, 1713131), (140, 1468398), (168, 1223665), (210, 978932), (280, 734199), (420, 489466), (840, 244733)]