64914080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{479}}^1$

素因数の和:523

約数の個数: 144

約数和(自身を含む): 193052160

約数和(自身を除く): 128138080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 160, 176, 220, 224, 242, 280, 308, 352, 385, 440, 479, 484, 560, 605, 616, 770, 847, 880, 958, 968, 1120, 1210, 1232, 1540, 1694, 1760, 1916, 1936, 2395, 2420, 2464, 3080, 3353, 3388, 3832, 3872, 4235, 4790, 4840, 5269, 6160, 6706, 6776, 7664, 8470, 9580, 9680, 10538, 12320, 13412, 13552, 15328, 16765, 16940, 19160, 19360, 21076, 26345, 26824, 27104, 33530, 33880, 36883, 38320, 42152, 52690, 53648, 57959, 67060, 67760, 73766, 76640, 84304, 105380, 107296, 115918, 134120, 135520, 147532, 168608, 184415, 210760, 231836, 268240, 289795, 295064, 368830, 405713, 421520, 463672, 536480, 579590, 590128, 737660, 811426, 843040, 927344, 1159180, 1180256, 1475320, 1622852, 1854688, 2028565, 2318360, 2950640, 3245704, 4057130, 4636720, 5901280, 6491408, 8114260, 9273440, 12982816, 16228520, 32457040, 64914080]

約数ペア:

[(1, 64914080), (2, 32457040), (4, 16228520), (5, 12982816), (7, 9273440), (8, 8114260), (10, 6491408), (11, 5901280), (14, 4636720), (16, 4057130), (20, 3245704), (22, 2950640), (28, 2318360), (32, 2028565), (35, 1854688), (40, 1622852), (44, 1475320), (55, 1180256), (56, 1159180), (70, 927344), (77, 843040), (80, 811426), (88, 737660), (110, 590128), (112, 579590), (121, 536480), (140, 463672), (154, 421520), (160, 405713), (176, 368830), (220, 295064), (224, 289795), (242, 268240), (280, 231836), (308, 210760), (352, 184415), (385, 168608), (440, 147532), (479, 135520), (484, 134120), (560, 115918), (605, 107296), (616, 105380), (770, 84304), (847, 76640), (880, 73766), (958, 67760), (968, 67060), (1120, 57959), (1210, 53648), (1232, 52690), (1540, 42152), (1694, 38320), (1760, 36883), (1916, 33880), (1936, 33530), (2395, 27104), (2420, 26824), (2464, 26345), (3080, 21076), (3353, 19360), (3388, 19160), (3832, 16940), (3872, 16765), (4235, 15328), (4790, 13552), (4840, 13412), (5269, 12320), (6160, 10538), (6706, 9680), (6776, 9580), (7664, 8470)]