27740240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1087}}^1$

素因数の和:1140

約数の個数: 80

約数和(自身を含む): 72852480

約数和(自身を除く): 45112240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1087, 1160, 1276, 1595, 2174, 2320, 2552, 3190, 4348, 5104, 5435, 6380, 8696, 10870, 11957, 12760, 17392, 21740, 23914, 25520, 31523, 43480, 47828, 59785, 63046, 86960, 95656, 119570, 126092, 157615, 191312, 239140, 252184, 315230, 346753, 478280, 504368, 630460, 693506, 956560, 1260920, 1387012, 1733765, 2521840, 2774024, 3467530, 5548048, 6935060, 13870120, 27740240]

約数ペア:

[(1, 27740240), (2, 13870120), (4, 6935060), (5, 5548048), (8, 3467530), (10, 2774024), (11, 2521840), (16, 1733765), (20, 1387012), (22, 1260920), (29, 956560), (40, 693506), (44, 630460), (55, 504368), (58, 478280), (80, 346753), (88, 315230), (110, 252184), (116, 239140), (145, 191312), (176, 157615), (220, 126092), (232, 119570), (290, 95656), (319, 86960), (440, 63046), (464, 59785), (580, 47828), (638, 43480), (880, 31523), (1087, 25520), (1160, 23914), (1276, 21740), (1595, 17392), (2174, 12760), (2320, 11957), (2552, 10870), (3190, 8696), (4348, 6380), (5104, 5435)]