64918560

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^2$

素因数の和:303

約数の個数: 144

約数和(自身を含む): 235400256

約数和(自身を除く): 170481696

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 139, 140, 160, 168, 210, 224, 240, 278, 280, 336, 417, 420, 480, 556, 560, 672, 695, 834, 840, 973, 1112, 1120, 1390, 1668, 1680, 1946, 2085, 2224, 2780, 2919, 3336, 3360, 3892, 4170, 4448, 4865, 5560, 5838, 6672, 7784, 8340, 9730, 11120, 11676, 13344, 14595, 15568, 16680, 19321, 19460, 22240, 23352, 29190, 31136, 33360, 38642, 38920, 46704, 57963, 58380, 66720, 77284, 77840, 93408, 96605, 115926, 116760, 135247, 154568, 155680, 193210, 231852, 233520, 270494, 289815, 309136, 386420, 405741, 463704, 467040, 540988, 579630, 618272, 676235, 772840, 811482, 927408, 1081976, 1159260, 1352470, 1545680, 1622964, 1854816, 2028705, 2163952, 2318520, 2704940, 3091360, 3245928, 4057410, 4327904, 4637040, 5409880, 6491856, 8114820, 9274080, 10819760, 12983712, 16229640, 21639520, 32459280, 64918560]

約数ペア:

[(1, 64918560), (2, 32459280), (3, 21639520), (4, 16229640), (5, 12983712), (6, 10819760), (7, 9274080), (8, 8114820), (10, 6491856), (12, 5409880), (14, 4637040), (15, 4327904), (16, 4057410), (20, 3245928), (21, 3091360), (24, 2704940), (28, 2318520), (30, 2163952), (32, 2028705), (35, 1854816), (40, 1622964), (42, 1545680), (48, 1352470), (56, 1159260), (60, 1081976), (70, 927408), (80, 811482), (84, 772840), (96, 676235), (105, 618272), (112, 579630), (120, 540988), (139, 467040), (140, 463704), (160, 405741), (168, 386420), (210, 309136), (224, 289815), (240, 270494), (278, 233520), (280, 231852), (336, 193210), (417, 155680), (420, 154568), (480, 135247), (556, 116760), (560, 115926), (672, 96605), (695, 93408), (834, 77840), (840, 77284), (973, 66720), (1112, 58380), (1120, 57963), (1390, 46704), (1668, 38920), (1680, 38642), (1946, 33360), (2085, 31136), (2224, 29190), (2780, 23352), (2919, 22240), (3336, 19460), (3360, 19321), (3892, 16680), (4170, 15568), (4448, 14595), (4865, 13344), (5560, 11676), (5838, 11120), (6672, 9730), (7784, 8340)]