278080

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1$

素因数の和:107

約数の個数: 56

約数和(自身を含む): 731520

約数和(自身を除く): 453440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 79, 80, 88, 110, 158, 160, 176, 220, 316, 320, 352, 395, 440, 632, 704, 790, 869, 880, 1264, 1580, 1738, 1760, 2528, 3160, 3476, 3520, 4345, 5056, 6320, 6952, 8690, 12640, 13904, 17380, 25280, 27808, 34760, 55616, 69520, 139040, 278080]

約数ペア:

[(1, 278080), (2, 139040), (4, 69520), (5, 55616), (8, 34760), (10, 27808), (11, 25280), (16, 17380), (20, 13904), (22, 12640), (32, 8690), (40, 6952), (44, 6320), (55, 5056), (64, 4345), (79, 3520), (80, 3476), (88, 3160), (110, 2528), (158, 1760), (160, 1738), (176, 1580), (220, 1264), (316, 880), (320, 869), (352, 790), (395, 704), (440, 632)]