72028880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1063}}^1$

素因数の和:1105

約数の個数: 120

約数和(自身を含む): 210569856

約数和(自身を除く): 138540976

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 176, 220, 242, 280, 308, 385, 440, 484, 560, 605, 616, 770, 847, 880, 968, 1063, 1210, 1232, 1540, 1694, 1936, 2126, 2420, 3080, 3388, 4235, 4252, 4840, 5315, 6160, 6776, 7441, 8470, 8504, 9680, 10630, 11693, 13552, 14882, 16940, 17008, 21260, 23386, 29764, 33880, 37205, 42520, 46772, 58465, 59528, 67760, 74410, 81851, 85040, 93544, 116930, 119056, 128623, 148820, 163702, 187088, 233860, 257246, 297640, 327404, 409255, 467720, 514492, 595280, 643115, 654808, 818510, 900361, 935440, 1028984, 1286230, 1309616, 1637020, 1800722, 2057968, 2572460, 3274040, 3601444, 4501805, 5144920, 6548080, 7202888, 9003610, 10289840, 14405776, 18007220, 36014440, 72028880]

約数ペア:

[(1, 72028880), (2, 36014440), (4, 18007220), (5, 14405776), (7, 10289840), (8, 9003610), (10, 7202888), (11, 6548080), (14, 5144920), (16, 4501805), (20, 3601444), (22, 3274040), (28, 2572460), (35, 2057968), (40, 1800722), (44, 1637020), (55, 1309616), (56, 1286230), (70, 1028984), (77, 935440), (80, 900361), (88, 818510), (110, 654808), (112, 643115), (121, 595280), (140, 514492), (154, 467720), (176, 409255), (220, 327404), (242, 297640), (280, 257246), (308, 233860), (385, 187088), (440, 163702), (484, 148820), (560, 128623), (605, 119056), (616, 116930), (770, 93544), (847, 85040), (880, 81851), (968, 74410), (1063, 67760), (1210, 59528), (1232, 58465), (1540, 46772), (1694, 42520), (1936, 37205), (2126, 33880), (2420, 29764), (3080, 23386), (3388, 21260), (4235, 17008), (4252, 16940), (4840, 14882), (5315, 13552), (6160, 11693), (6776, 10630), (7441, 9680), (8470, 8504)]