78001880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{6113}}^1$

素因数の和:6164

約数の個数: 64

約数和(自身を含む): 198093600

約数和(自身を除く): 120091720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 2552, 3190, 6113, 6380, 12226, 12760, 24452, 30565, 48904, 61130, 67243, 122260, 134486, 177277, 244520, 268972, 336215, 354554, 537944, 672430, 709108, 886385, 1344860, 1418216, 1772770, 1950047, 2689720, 3545540, 3900094, 7091080, 7800188, 9750235, 15600376, 19500470, 39000940, 78001880]

約数ペア:

[(1, 78001880), (2, 39000940), (4, 19500470), (5, 15600376), (8, 9750235), (10, 7800188), (11, 7091080), (20, 3900094), (22, 3545540), (29, 2689720), (40, 1950047), (44, 1772770), (55, 1418216), (58, 1344860), (88, 886385), (110, 709108), (116, 672430), (145, 537944), (220, 354554), (232, 336215), (290, 268972), (319, 244520), (440, 177277), (580, 134486), (638, 122260), (1160, 67243), (1276, 61130), (1595, 48904), (2552, 30565), (3190, 24452), (6113, 12760), (6380, 12226)]