146478640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:160

約数の個数: 240

約数和(自身を含む): 447828480

約数和(自身を除く): 301349840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 43, 44, 49, 55, 56, 70, 77, 79, 80, 86, 88, 98, 110, 112, 140, 154, 158, 172, 176, 196, 215, 220, 245, 280, 301, 308, 316, 344, 385, 392, 395, 430, 440, 473, 490, 539, 553, 560, 602, 616, 632, 688, 770, 784, 790, 860, 869, 880, 946, 980, 1078, 1106, 1204, 1232, 1264, 1505, 1540, 1580, 1720, 1738, 1892, 1960, 2107, 2156, 2212, 2365, 2408, 2695, 2765, 3010, 3080, 3160, 3311, 3397, 3440, 3476, 3784, 3871, 3920, 4214, 4312, 4345, 4424, 4730, 4816, 5390, 5530, 6020, 6083, 6160, 6320, 6622, 6794, 6952, 7568, 7742, 8428, 8624, 8690, 8848, 9460, 10535, 10780, 11060, 12040, 12166, 13244, 13588, 13904, 15484, 16555, 16856, 16985, 17380, 18920, 19355, 21070, 21560, 22120, 23177, 23779, 24080, 24332, 26488, 27176, 30415, 30968, 33110, 33712, 33970, 34760, 37367, 37840, 38710, 42140, 42581, 43120, 44240, 46354, 47558, 48664, 52976, 54352, 60830, 61936, 66220, 67940, 69520, 74734, 77420, 84280, 85162, 92708, 95116, 97328, 115885, 118895, 121660, 132440, 135880, 149468, 154840, 166453, 168560, 170324, 185416, 186835, 190232, 212905, 231770, 237790, 243320, 261569, 264880, 271760, 298936, 309680, 332906, 340648, 370832, 373670, 380464, 425810, 463540, 475580, 486640, 523138, 597872, 665812, 681296, 747340, 832265, 851620, 927080, 951160, 1046276, 1307845, 1331624, 1494680, 1664530, 1703240, 1830983, 1854160, 1902320, 2092552, 2615690, 2663248, 2989360, 3329060, 3406480, 3661966, 4185104, 5231380, 6658120, 7323932, 9154915, 10462760, 13316240, 14647864, 18309830, 20925520, 29295728, 36619660, 73239320, 146478640]

約数ペア:

[(1, 146478640), (2, 73239320), (4, 36619660), (5, 29295728), (7, 20925520), (8, 18309830), (10, 14647864), (11, 13316240), (14, 10462760), (16, 9154915), (20, 7323932), (22, 6658120), (28, 5231380), (35, 4185104), (40, 3661966), (43, 3406480), (44, 3329060), (49, 2989360), (55, 2663248), (56, 2615690), (70, 2092552), (77, 1902320), (79, 1854160), (80, 1830983), (86, 1703240), (88, 1664530), (98, 1494680), (110, 1331624), (112, 1307845), (140, 1046276), (154, 951160), (158, 927080), (172, 851620), (176, 832265), (196, 747340), (215, 681296), (220, 665812), (245, 597872), (280, 523138), (301, 486640), (308, 475580), (316, 463540), (344, 425810), (385, 380464), (392, 373670), (395, 370832), (430, 340648), (440, 332906), (473, 309680), (490, 298936), (539, 271760), (553, 264880), (560, 261569), (602, 243320), (616, 237790), (632, 231770), (688, 212905), (770, 190232), (784, 186835), (790, 185416), (860, 170324), (869, 168560), (880, 166453), (946, 154840), (980, 149468), (1078, 135880), (1106, 132440), (1204, 121660), (1232, 118895), (1264, 115885), (1505, 97328), (1540, 95116), (1580, 92708), (1720, 85162), (1738, 84280), (1892, 77420), (1960, 74734), (2107, 69520), (2156, 67940), (2212, 66220), (2365, 61936), (2408, 60830), (2695, 54352), (2765, 52976), (3010, 48664), (3080, 47558), (3160, 46354), (3311, 44240), (3397, 43120), (3440, 42581), (3476, 42140), (3784, 38710), (3871, 37840), (3920, 37367), (4214, 34760), (4312, 33970), (4345, 33712), (4424, 33110), (4730, 30968), (4816, 30415), (5390, 27176), (5530, 26488), (6020, 24332), (6083, 24080), (6160, 23779), (6320, 23177), (6622, 22120), (6794, 21560), (6952, 21070), (7568, 19355), (7742, 18920), (8428, 17380), (8624, 16985), (8690, 16856), (8848, 16555), (9460, 15484), (10535, 13904), (10780, 13588), (11060, 13244), (12040, 12166)]