2677840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:220

約数の個数: 80

約数和(自身を含む): 7231680

約数和(自身を除く): 4553840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 179, 187, 220, 272, 340, 358, 374, 440, 680, 716, 748, 880, 895, 935, 1360, 1432, 1496, 1790, 1870, 1969, 2864, 2992, 3043, 3580, 3740, 3938, 6086, 7160, 7480, 7876, 9845, 12172, 14320, 14960, 15215, 15752, 19690, 24344, 30430, 31504, 33473, 39380, 48688, 60860, 66946, 78760, 121720, 133892, 157520, 167365, 243440, 267784, 334730, 535568, 669460, 1338920, 2677840]

約数ペア:

[(1, 2677840), (2, 1338920), (4, 669460), (5, 535568), (8, 334730), (10, 267784), (11, 243440), (16, 167365), (17, 157520), (20, 133892), (22, 121720), (34, 78760), (40, 66946), (44, 60860), (55, 48688), (68, 39380), (80, 33473), (85, 31504), (88, 30430), (110, 24344), (136, 19690), (170, 15752), (176, 15215), (179, 14960), (187, 14320), (220, 12172), (272, 9845), (340, 7876), (358, 7480), (374, 7160), (440, 6086), (680, 3938), (716, 3740), (748, 3580), (880, 3043), (895, 2992), (935, 2864), (1360, 1969), (1432, 1870), (1496, 1790)]