28966140

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:201

約数の個数: 192

約数和(自身を含む): 105369600

約数和(自身を除く): 76403460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 79, 84, 90, 97, 105, 108, 126, 135, 140, 158, 180, 189, 194, 210, 237, 252, 270, 291, 315, 316, 378, 388, 395, 420, 474, 485, 540, 553, 582, 630, 679, 711, 756, 790, 873, 945, 948, 970, 1106, 1164, 1185, 1260, 1358, 1422, 1455, 1580, 1659, 1746, 1890, 1940, 2037, 2133, 2212, 2370, 2619, 2716, 2765, 2844, 2910, 3318, 3395, 3492, 3555, 3780, 4074, 4266, 4365, 4740, 4977, 5238, 5530, 5820, 6111, 6636, 6790, 7110, 7663, 8148, 8295, 8532, 8730, 9954, 10185, 10476, 10665, 11060, 12222, 13095, 13580, 14220, 14931, 15326, 16590, 17460, 18333, 19908, 20370, 21330, 22989, 24444, 24885, 26190, 29862, 30555, 30652, 33180, 36666, 38315, 40740, 42660, 45978, 49770, 52380, 53641, 59724, 61110, 68967, 73332, 74655, 76630, 91665, 91956, 99540, 107282, 114945, 122220, 137934, 149310, 153260, 160923, 183330, 206901, 214564, 229890, 268205, 275868, 298620, 321846, 344835, 366660, 413802, 459780, 482769, 536410, 643692, 689670, 804615, 827604, 965538, 1034505, 1072820, 1379340, 1448307, 1609230, 1931076, 2069010, 2413845, 2896614, 3218460, 4138020, 4827690, 5793228, 7241535, 9655380, 14483070, 28966140]

約数ペア:

[(1, 28966140), (2, 14483070), (3, 9655380), (4, 7241535), (5, 5793228), (6, 4827690), (7, 4138020), (9, 3218460), (10, 2896614), (12, 2413845), (14, 2069010), (15, 1931076), (18, 1609230), (20, 1448307), (21, 1379340), (27, 1072820), (28, 1034505), (30, 965538), (35, 827604), (36, 804615), (42, 689670), (45, 643692), (54, 536410), (60, 482769), (63, 459780), (70, 413802), (79, 366660), (84, 344835), (90, 321846), (97, 298620), (105, 275868), (108, 268205), (126, 229890), (135, 214564), (140, 206901), (158, 183330), (180, 160923), (189, 153260), (194, 149310), (210, 137934), (237, 122220), (252, 114945), (270, 107282), (291, 99540), (315, 91956), (316, 91665), (378, 76630), (388, 74655), (395, 73332), (420, 68967), (474, 61110), (485, 59724), (540, 53641), (553, 52380), (582, 49770), (630, 45978), (679, 42660), (711, 40740), (756, 38315), (790, 36666), (873, 33180), (945, 30652), (948, 30555), (970, 29862), (1106, 26190), (1164, 24885), (1185, 24444), (1260, 22989), (1358, 21330), (1422, 20370), (1455, 19908), (1580, 18333), (1659, 17460), (1746, 16590), (1890, 15326), (1940, 14931), (2037, 14220), (2133, 13580), (2212, 13095), (2370, 12222), (2619, 11060), (2716, 10665), (2765, 10476), (2844, 10185), (2910, 9954), (3318, 8730), (3395, 8532), (3492, 8295), (3555, 8148), (3780, 7663), (4074, 7110), (4266, 6790), (4365, 6636), (4740, 6111), (4977, 5820), (5238, 5530)]