78813440

素因数分解:

$2^8\times 5^1\times {\mathrm{67}}^1\times {\mathrm{919}}^1$

素因数の和:1007

約数の個数: 72

約数和(自身を含む): 191808960

約数和(自身を除く): 112995520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 256, 268, 320, 335, 536, 640, 670, 919, 1072, 1280, 1340, 1838, 2144, 2680, 3676, 4288, 4595, 5360, 7352, 8576, 9190, 10720, 14704, 17152, 18380, 21440, 29408, 36760, 42880, 58816, 61573, 73520, 85760, 117632, 123146, 147040, 235264, 246292, 294080, 307865, 492584, 588160, 615730, 985168, 1176320, 1231460, 1970336, 2462920, 3940672, 4925840, 7881344, 9851680, 15762688, 19703360, 39406720, 78813440]

約数ペア:

[(1, 78813440), (2, 39406720), (4, 19703360), (5, 15762688), (8, 9851680), (10, 7881344), (16, 4925840), (20, 3940672), (32, 2462920), (40, 1970336), (64, 1231460), (67, 1176320), (80, 985168), (128, 615730), (134, 588160), (160, 492584), (256, 307865), (268, 294080), (320, 246292), (335, 235264), (536, 147040), (640, 123146), (670, 117632), (919, 85760), (1072, 73520), (1280, 61573), (1340, 58816), (1838, 42880), (2144, 36760), (2680, 29408), (3676, 21440), (4288, 18380), (4595, 17152), (5360, 14704), (7352, 10720), (8576, 9190)]