2179684640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{6781}}^1$

素因数の和:6851

約数の個数: 144

約数和(自身を含む): 6137248824

約数和(自身を除く): 3957564184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 70, 80, 82, 98, 112, 140, 160, 164, 196, 205, 224, 245, 280, 287, 328, 392, 410, 490, 560, 574, 656, 784, 820, 980, 1120, 1148, 1312, 1435, 1568, 1640, 1960, 2009, 2296, 2870, 3280, 3920, 4018, 4592, 5740, 6560, 6781, 7840, 8036, 9184, 10045, 11480, 13562, 16072, 20090, 22960, 27124, 32144, 33905, 40180, 45920, 47467, 54248, 64288, 67810, 80360, 94934, 108496, 135620, 160720, 189868, 216992, 237335, 271240, 278021, 321440, 332269, 379736, 474670, 542480, 556042, 664538, 759472, 949340, 1084960, 1112084, 1329076, 1390105, 1518944, 1661345, 1898680, 1946147, 2224168, 2658152, 2780210, 3322690, 3797360, 3892294, 4448336, 5316304, 5560420, 6645380, 7594720, 7784588, 8896672, 9730735, 10632608, 11120840, 13290760, 13623029, 15569176, 19461470, 22241680, 26581520, 27246058, 31138352, 38922940, 44483360, 53163040, 54492116, 62276704, 68115145, 77845880, 108984232, 136230290, 155691760, 217968464, 272460580, 311383520, 435936928, 544921160, 1089842320, 2179684640]

約数ペア:

[(1, 2179684640), (2, 1089842320), (4, 544921160), (5, 435936928), (7, 311383520), (8, 272460580), (10, 217968464), (14, 155691760), (16, 136230290), (20, 108984232), (28, 77845880), (32, 68115145), (35, 62276704), (40, 54492116), (41, 53163040), (49, 44483360), (56, 38922940), (70, 31138352), (80, 27246058), (82, 26581520), (98, 22241680), (112, 19461470), (140, 15569176), (160, 13623029), (164, 13290760), (196, 11120840), (205, 10632608), (224, 9730735), (245, 8896672), (280, 7784588), (287, 7594720), (328, 6645380), (392, 5560420), (410, 5316304), (490, 4448336), (560, 3892294), (574, 3797360), (656, 3322690), (784, 2780210), (820, 2658152), (980, 2224168), (1120, 1946147), (1148, 1898680), (1312, 1661345), (1435, 1518944), (1568, 1390105), (1640, 1329076), (1960, 1112084), (2009, 1084960), (2296, 949340), (2870, 759472), (3280, 664538), (3920, 556042), (4018, 542480), (4592, 474670), (5740, 379736), (6560, 332269), (6781, 321440), (7840, 278021), (8036, 271240), (9184, 237335), (10045, 216992), (11480, 189868), (13562, 160720), (16072, 135620), (20090, 108496), (22960, 94934), (27124, 80360), (32144, 67810), (33905, 64288), (40180, 54248), (45920, 47467)]