390624640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:289

約数の個数: 256

約数和(自身を含む): 1184440320

約数和(自身を除く): 793815680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 23, 28, 32, 34, 35, 40, 46, 56, 64, 68, 70, 80, 85, 92, 112, 115, 119, 128, 136, 140, 160, 161, 170, 184, 223, 224, 230, 238, 272, 280, 320, 322, 340, 368, 391, 446, 448, 460, 476, 544, 560, 595, 640, 644, 680, 736, 782, 805, 892, 896, 920, 952, 1088, 1115, 1120, 1190, 1288, 1360, 1472, 1561, 1564, 1610, 1784, 1840, 1904, 1955, 2176, 2230, 2240, 2380, 2576, 2720, 2737, 2944, 3122, 3128, 3220, 3568, 3680, 3791, 3808, 3910, 4460, 4480, 4760, 5129, 5152, 5440, 5474, 6244, 6256, 6440, 7136, 7360, 7582, 7616, 7805, 7820, 8920, 9520, 10258, 10304, 10880, 10948, 12488, 12512, 12880, 13685, 14272, 14720, 15164, 15232, 15610, 15640, 17840, 18955, 19040, 20516, 20608, 21896, 24976, 25024, 25645, 25760, 26537, 27370, 28544, 30328, 31220, 31280, 35680, 35903, 37910, 38080, 41032, 43792, 49952, 50048, 51290, 51520, 53074, 54740, 60656, 62440, 62560, 71360, 71806, 75820, 76160, 82064, 87193, 87584, 99904, 102580, 103040, 106148, 109480, 121312, 124880, 125120, 132685, 142720, 143612, 151640, 164128, 174386, 175168, 179515, 199808, 205160, 212296, 218960, 242624, 249760, 250240, 265370, 287224, 303280, 328256, 348772, 350336, 359030, 410320, 424592, 435965, 437920, 485248, 499520, 530740, 574448, 606560, 610351, 656512, 697544, 718060, 820640, 849184, 871930, 875840, 999040, 1061480, 1148896, 1213120, 1220702, 1395088, 1436120, 1641280, 1698368, 1743860, 1751680, 2122960, 2297792, 2426240, 2441404, 2790176, 2872240, 3051755, 3282560, 3396736, 3487720, 4245920, 4595584, 4882808, 5580352, 5744480, 6103510, 6975440, 8491840, 9765616, 11160704, 11488960, 12207020, 13950880, 16983680, 19531232, 22977920, 24414040, 27901760, 39062464, 48828080, 55803520, 78124928, 97656160, 195312320, 390624640]

約数ペア:

[(1, 390624640), (2, 195312320), (4, 97656160), (5, 78124928), (7, 55803520), (8, 48828080), (10, 39062464), (14, 27901760), (16, 24414040), (17, 22977920), (20, 19531232), (23, 16983680), (28, 13950880), (32, 12207020), (34, 11488960), (35, 11160704), (40, 9765616), (46, 8491840), (56, 6975440), (64, 6103510), (68, 5744480), (70, 5580352), (80, 4882808), (85, 4595584), (92, 4245920), (112, 3487720), (115, 3396736), (119, 3282560), (128, 3051755), (136, 2872240), (140, 2790176), (160, 2441404), (161, 2426240), (170, 2297792), (184, 2122960), (223, 1751680), (224, 1743860), (230, 1698368), (238, 1641280), (272, 1436120), (280, 1395088), (320, 1220702), (322, 1213120), (340, 1148896), (368, 1061480), (391, 999040), (446, 875840), (448, 871930), (460, 849184), (476, 820640), (544, 718060), (560, 697544), (595, 656512), (640, 610351), (644, 606560), (680, 574448), (736, 530740), (782, 499520), (805, 485248), (892, 437920), (896, 435965), (920, 424592), (952, 410320), (1088, 359030), (1115, 350336), (1120, 348772), (1190, 328256), (1288, 303280), (1360, 287224), (1472, 265370), (1561, 250240), (1564, 249760), (1610, 242624), (1784, 218960), (1840, 212296), (1904, 205160), (1955, 199808), (2176, 179515), (2230, 175168), (2240, 174386), (2380, 164128), (2576, 151640), (2720, 143612), (2737, 142720), (2944, 132685), (3122, 125120), (3128, 124880), (3220, 121312), (3568, 109480), (3680, 106148), (3791, 103040), (3808, 102580), (3910, 99904), (4460, 87584), (4480, 87193), (4760, 82064), (5129, 76160), (5152, 75820), (5440, 71806), (5474, 71360), (6244, 62560), (6256, 62440), (6440, 60656), (7136, 54740), (7360, 53074), (7582, 51520), (7616, 51290), (7805, 50048), (7820, 49952), (8920, 43792), (9520, 41032), (10258, 38080), (10304, 37910), (10880, 35903), (10948, 35680), (12488, 31280), (12512, 31220), (12880, 30328), (13685, 28544), (14272, 27370), (14720, 26537), (15164, 25760), (15232, 25645), (15610, 25024), (15640, 24976), (17840, 21896), (18955, 20608), (19040, 20516)]