1229278720

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:368

約数の個数: 160

約数和(自身を含む): 3142656000

約数和(自身を除く): 1913377280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 127, 128, 152, 160, 190, 199, 254, 256, 304, 320, 380, 398, 508, 512, 608, 635, 640, 760, 796, 995, 1016, 1216, 1270, 1280, 1520, 1592, 1990, 2032, 2413, 2432, 2540, 2560, 3040, 3184, 3781, 3980, 4064, 4826, 4864, 5080, 6080, 6368, 7562, 7960, 8128, 9652, 9728, 10160, 12065, 12160, 12736, 15124, 15920, 16256, 18905, 19304, 20320, 24130, 24320, 25273, 25472, 30248, 31840, 32512, 37810, 38608, 40640, 48260, 48640, 50546, 50944, 60496, 63680, 65024, 75620, 77216, 81280, 96520, 101092, 101888, 120992, 126365, 127360, 151240, 154432, 162560, 193040, 202184, 241984, 252730, 254720, 302480, 308864, 325120, 386080, 404368, 480187, 483968, 505460, 509440, 604960, 617728, 772160, 808736, 960374, 967936, 1010920, 1209920, 1235456, 1544320, 1617472, 1920748, 1935872, 2021840, 2400935, 2419840, 3088640, 3234944, 3841496, 4043680, 4801870, 4839680, 6177280, 6469888, 7682992, 8087360, 9603740, 9679360, 12939776, 15365984, 16174720, 19207480, 30731968, 32349440, 38414960, 61463936, 64698880, 76829920, 122927872, 153659840, 245855744, 307319680, 614639360, 1229278720]

約数ペア:

[(1, 1229278720), (2, 614639360), (4, 307319680), (5, 245855744), (8, 153659840), (10, 122927872), (16, 76829920), (19, 64698880), (20, 61463936), (32, 38414960), (38, 32349440), (40, 30731968), (64, 19207480), (76, 16174720), (80, 15365984), (95, 12939776), (127, 9679360), (128, 9603740), (152, 8087360), (160, 7682992), (190, 6469888), (199, 6177280), (254, 4839680), (256, 4801870), (304, 4043680), (320, 3841496), (380, 3234944), (398, 3088640), (508, 2419840), (512, 2400935), (608, 2021840), (635, 1935872), (640, 1920748), (760, 1617472), (796, 1544320), (995, 1235456), (1016, 1209920), (1216, 1010920), (1270, 967936), (1280, 960374), (1520, 808736), (1592, 772160), (1990, 617728), (2032, 604960), (2413, 509440), (2432, 505460), (2540, 483968), (2560, 480187), (3040, 404368), (3184, 386080), (3781, 325120), (3980, 308864), (4064, 302480), (4826, 254720), (4864, 252730), (5080, 241984), (6080, 202184), (6368, 193040), (7562, 162560), (7960, 154432), (8128, 151240), (9652, 127360), (9728, 126365), (10160, 120992), (12065, 101888), (12160, 101092), (12736, 96520), (15124, 81280), (15920, 77216), (16256, 75620), (18905, 65024), (19304, 63680), (20320, 60496), (24130, 50944), (24320, 50546), (25273, 48640), (25472, 48260), (30248, 40640), (31840, 38608), (32512, 37810)]