79396240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12889}}^1$

素因数の和:12920

約数の個数: 80

約数和(自身を含む): 230163840

約数和(自身を除く): 150767600

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, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 12889, 25778, 51556, 64445, 90223, 103112, 128890, 141779, 180446, 206224, 257780, 283558, 360892, 451115, 515560, 567116, 708895, 721784, 902230, 992453, 1031120, 1134232, 1417790, 1443568, 1804460, 1984906, 2268464, 2835580, 3608920, 3969812, 4962265, 5671160, 7217840, 7939624, 9924530, 11342320, 15879248, 19849060, 39698120, 79396240]

約数ペア:

[(1, 79396240), (2, 39698120), (4, 19849060), (5, 15879248), (7, 11342320), (8, 9924530), (10, 7939624), (11, 7217840), (14, 5671160), (16, 4962265), (20, 3969812), (22, 3608920), (28, 2835580), (35, 2268464), (40, 1984906), (44, 1804460), (55, 1443568), (56, 1417790), (70, 1134232), (77, 1031120), (80, 992453), (88, 902230), (110, 721784), (112, 708895), (140, 567116), (154, 515560), (176, 451115), (220, 360892), (280, 283558), (308, 257780), (385, 206224), (440, 180446), (560, 141779), (616, 128890), (770, 103112), (880, 90223), (1232, 64445), (1540, 51556), (3080, 25778), (6160, 12889)]