28842660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2081}}^1$

素因数の和:2114

約数の個数: 144

約数和(自身を含む): 109130112

約数和(自身を除く): 80287452

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2081, 2310, 2772, 3465, 4162, 4620, 6243, 6930, 8324, 10405, 12486, 13860, 14567, 18729, 20810, 22891, 24972, 29134, 31215, 37458, 41620, 43701, 45782, 58268, 62430, 68673, 72835, 74916, 87402, 91564, 93645, 114455, 124860, 131103, 137346, 145670, 160237, 174804, 187290, 206019, 218505, 228910, 262206, 274692, 291340, 320474, 343365, 374580, 412038, 437010, 457820, 480711, 524412, 640948, 655515, 686730, 801185, 824076, 874020, 961422, 1030095, 1311030, 1373460, 1442133, 1602370, 1922844, 2060190, 2403555, 2622060, 2884266, 3204740, 4120380, 4807110, 5768532, 7210665, 9614220, 14421330, 28842660]

約数ペア:

[(1, 28842660), (2, 14421330), (3, 9614220), (4, 7210665), (5, 5768532), (6, 4807110), (7, 4120380), (9, 3204740), (10, 2884266), (11, 2622060), (12, 2403555), (14, 2060190), (15, 1922844), (18, 1602370), (20, 1442133), (21, 1373460), (22, 1311030), (28, 1030095), (30, 961422), (33, 874020), (35, 824076), (36, 801185), (42, 686730), (44, 655515), (45, 640948), (55, 524412), (60, 480711), (63, 457820), (66, 437010), (70, 412038), (77, 374580), (84, 343365), (90, 320474), (99, 291340), (105, 274692), (110, 262206), (126, 228910), (132, 218505), (140, 206019), (154, 187290), (165, 174804), (180, 160237), (198, 145670), (210, 137346), (220, 131103), (231, 124860), (252, 114455), (308, 93645), (315, 91564), (330, 87402), (385, 74916), (396, 72835), (420, 68673), (462, 62430), (495, 58268), (630, 45782), (660, 43701), (693, 41620), (770, 37458), (924, 31215), (990, 29134), (1155, 24972), (1260, 22891), (1386, 20810), (1540, 18729), (1980, 14567), (2081, 13860), (2310, 12486), (2772, 10405), (3465, 8324), (4162, 6930), (4620, 6243)]