391226880

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{421}}^1$

素因数の和:469

約数の個数: 240

約数和(自身を含む): 1378005552

約数和(自身を除く): 986778672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 121, 128, 132, 160, 165, 176, 192, 220, 240, 242, 256, 264, 320, 330, 352, 363, 384, 421, 440, 480, 484, 512, 528, 605, 640, 660, 704, 726, 768, 842, 880, 960, 968, 1056, 1210, 1263, 1280, 1320, 1408, 1452, 1536, 1684, 1760, 1815, 1920, 1936, 2105, 2112, 2420, 2526, 2560, 2640, 2816, 2904, 3368, 3520, 3630, 3840, 3872, 4210, 4224, 4631, 4840, 5052, 5280, 5632, 5808, 6315, 6736, 7040, 7260, 7680, 7744, 8420, 8448, 9262, 9680, 10104, 10560, 11616, 12630, 13472, 13893, 14080, 14520, 15488, 16840, 16896, 18524, 19360, 20208, 21120, 23155, 23232, 25260, 26944, 27786, 28160, 29040, 30976, 33680, 37048, 38720, 40416, 42240, 46310, 46464, 50520, 50941, 53888, 55572, 58080, 61952, 67360, 69465, 74096, 77440, 80832, 84480, 92620, 92928, 101040, 101882, 107776, 111144, 116160, 134720, 138930, 148192, 152823, 154880, 161664, 185240, 185856, 202080, 203764, 215552, 222288, 232320, 254705, 269440, 277860, 296384, 305646, 309760, 323328, 370480, 404160, 407528, 444576, 464640, 509410, 538880, 555720, 592768, 611292, 646656, 740960, 764115, 808320, 815056, 889152, 929280, 1018820, 1077760, 1111440, 1185536, 1222584, 1481920, 1528230, 1616640, 1630112, 1778304, 2037640, 2222880, 2371072, 2445168, 2963840, 3056460, 3233280, 3260224, 3556608, 4075280, 4445760, 4890336, 5927680, 6112920, 6520448, 7113216, 8150560, 8891520, 9780672, 11855360, 12225840, 13040896, 16301120, 17783040, 19561344, 24451680, 26081792, 32602240, 35566080, 39122688, 48903360, 65204480, 78245376, 97806720, 130408960, 195613440, 391226880]

約数ペア:

[(1, 391226880), (2, 195613440), (3, 130408960), (4, 97806720), (5, 78245376), (6, 65204480), (8, 48903360), (10, 39122688), (11, 35566080), (12, 32602240), (15, 26081792), (16, 24451680), (20, 19561344), (22, 17783040), (24, 16301120), (30, 13040896), (32, 12225840), (33, 11855360), (40, 9780672), (44, 8891520), (48, 8150560), (55, 7113216), (60, 6520448), (64, 6112920), (66, 5927680), (80, 4890336), (88, 4445760), (96, 4075280), (110, 3556608), (120, 3260224), (121, 3233280), (128, 3056460), (132, 2963840), (160, 2445168), (165, 2371072), (176, 2222880), (192, 2037640), (220, 1778304), (240, 1630112), (242, 1616640), (256, 1528230), (264, 1481920), (320, 1222584), (330, 1185536), (352, 1111440), (363, 1077760), (384, 1018820), (421, 929280), (440, 889152), (480, 815056), (484, 808320), (512, 764115), (528, 740960), (605, 646656), (640, 611292), (660, 592768), (704, 555720), (726, 538880), (768, 509410), (842, 464640), (880, 444576), (960, 407528), (968, 404160), (1056, 370480), (1210, 323328), (1263, 309760), (1280, 305646), (1320, 296384), (1408, 277860), (1452, 269440), (1536, 254705), (1684, 232320), (1760, 222288), (1815, 215552), (1920, 203764), (1936, 202080), (2105, 185856), (2112, 185240), (2420, 161664), (2526, 154880), (2560, 152823), (2640, 148192), (2816, 138930), (2904, 134720), (3368, 116160), (3520, 111144), (3630, 107776), (3840, 101882), (3872, 101040), (4210, 92928), (4224, 92620), (4631, 84480), (4840, 80832), (5052, 77440), (5280, 74096), (5632, 69465), (5808, 67360), (6315, 61952), (6736, 58080), (7040, 55572), (7260, 53888), (7680, 50941), (7744, 50520), (8420, 46464), (8448, 46310), (9262, 42240), (9680, 40416), (10104, 38720), (10560, 37048), (11616, 33680), (12630, 30976), (13472, 29040), (13893, 28160), (14080, 27786), (14520, 26944), (15488, 25260), (16840, 23232), (16896, 23155), (18524, 21120), (19360, 20208)]