2479790720

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{2161}}^1$

素因数の和:2354

約数の個数: 128

約数和(自身を含む): 6509868480

約数和(自身を除く): 4030077760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 163, 176, 220, 320, 326, 352, 440, 640, 652, 704, 815, 880, 1304, 1408, 1630, 1760, 1793, 2161, 2608, 3260, 3520, 3586, 4322, 5216, 6520, 7040, 7172, 8644, 8965, 10432, 10805, 13040, 14344, 17288, 17930, 20864, 21610, 23771, 26080, 28688, 34576, 35860, 43220, 47542, 52160, 57376, 69152, 71720, 86440, 95084, 104320, 114752, 118855, 138304, 143440, 172880, 190168, 229504, 237710, 276608, 286880, 345760, 352243, 380336, 475420, 573760, 691520, 704486, 760672, 950840, 1147520, 1383040, 1408972, 1521344, 1761215, 1901680, 2817944, 3042688, 3522430, 3803360, 3874673, 5635888, 7044860, 7606720, 7749346, 11271776, 14089720, 15213440, 15498692, 19373365, 22543552, 28179440, 30997384, 38746730, 45087104, 56358880, 61994768, 77493460, 112717760, 123989536, 154986920, 225435520, 247979072, 309973840, 495958144, 619947680, 1239895360, 2479790720]

約数ペア:

[(1, 2479790720), (2, 1239895360), (4, 619947680), (5, 495958144), (8, 309973840), (10, 247979072), (11, 225435520), (16, 154986920), (20, 123989536), (22, 112717760), (32, 77493460), (40, 61994768), (44, 56358880), (55, 45087104), (64, 38746730), (80, 30997384), (88, 28179440), (110, 22543552), (128, 19373365), (160, 15498692), (163, 15213440), (176, 14089720), (220, 11271776), (320, 7749346), (326, 7606720), (352, 7044860), (440, 5635888), (640, 3874673), (652, 3803360), (704, 3522430), (815, 3042688), (880, 2817944), (1304, 1901680), (1408, 1761215), (1630, 1521344), (1760, 1408972), (1793, 1383040), (2161, 1147520), (2608, 950840), (3260, 760672), (3520, 704486), (3586, 691520), (4322, 573760), (5216, 475420), (6520, 380336), (7040, 352243), (7172, 345760), (8644, 286880), (8965, 276608), (10432, 237710), (10805, 229504), (13040, 190168), (14344, 172880), (17288, 143440), (17930, 138304), (20864, 118855), (21610, 114752), (23771, 104320), (26080, 95084), (28688, 86440), (34576, 71720), (35860, 69152), (43220, 57376), (47542, 52160)]