78991440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29921}}^1$

素因数の和:29948

約数の個数: 80

約数和(自身を含む): 267143616

約数和(自身を除く): 188152176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 29921, 59842, 89763, 119684, 149605, 179526, 239368, 299210, 329131, 359052, 448815, 478736, 598420, 658262, 718104, 897630, 987393, 1196840, 1316524, 1436208, 1645655, 1795260, 1974786, 2393680, 2633048, 3291310, 3590520, 3949572, 4936965, 5266096, 6582620, 7181040, 7899144, 9873930, 13165240, 15798288, 19747860, 26330480, 39495720, 78991440]

約数ペア:

[(1, 78991440), (2, 39495720), (3, 26330480), (4, 19747860), (5, 15798288), (6, 13165240), (8, 9873930), (10, 7899144), (11, 7181040), (12, 6582620), (15, 5266096), (16, 4936965), (20, 3949572), (22, 3590520), (24, 3291310), (30, 2633048), (33, 2393680), (40, 1974786), (44, 1795260), (48, 1645655), (55, 1436208), (60, 1316524), (66, 1196840), (80, 987393), (88, 897630), (110, 718104), (120, 658262), (132, 598420), (165, 478736), (176, 448815), (220, 359052), (240, 329131), (264, 299210), (330, 239368), (440, 179526), (528, 149605), (660, 119684), (880, 89763), (1320, 59842), (2640, 29921)]