147784120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 379779840

約数和(自身を除く): 231995720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 73, 86, 88, 107, 110, 146, 172, 214, 215, 220, 292, 344, 365, 428, 430, 440, 473, 535, 584, 730, 803, 856, 860, 946, 1070, 1177, 1460, 1606, 1720, 1892, 2140, 2354, 2365, 2920, 3139, 3212, 3784, 4015, 4280, 4601, 4708, 4730, 5885, 6278, 6424, 7811, 8030, 9202, 9416, 9460, 11770, 12556, 15622, 15695, 16060, 18404, 18920, 23005, 23540, 25112, 31244, 31390, 32120, 34529, 36808, 39055, 46010, 47080, 50611, 62488, 62780, 69058, 78110, 85921, 92020, 101222, 125560, 138116, 156220, 171842, 172645, 184040, 202444, 253055, 276232, 312440, 335873, 343684, 345290, 404888, 429605, 506110, 671746, 687368, 690580, 859210, 1012220, 1343492, 1381160, 1679365, 1718420, 2024440, 2686984, 3358730, 3436840, 3694603, 6717460, 7389206, 13434920, 14778412, 18473015, 29556824, 36946030, 73892060, 147784120]

約数ペア:

[(1, 147784120), (2, 73892060), (4, 36946030), (5, 29556824), (8, 18473015), (10, 14778412), (11, 13434920), (20, 7389206), (22, 6717460), (40, 3694603), (43, 3436840), (44, 3358730), (55, 2686984), (73, 2024440), (86, 1718420), (88, 1679365), (107, 1381160), (110, 1343492), (146, 1012220), (172, 859210), (214, 690580), (215, 687368), (220, 671746), (292, 506110), (344, 429605), (365, 404888), (428, 345290), (430, 343684), (440, 335873), (473, 312440), (535, 276232), (584, 253055), (730, 202444), (803, 184040), (856, 172645), (860, 171842), (946, 156220), (1070, 138116), (1177, 125560), (1460, 101222), (1606, 92020), (1720, 85921), (1892, 78110), (2140, 69058), (2354, 62780), (2365, 62488), (2920, 50611), (3139, 47080), (3212, 46010), (3784, 39055), (4015, 36808), (4280, 34529), (4601, 32120), (4708, 31390), (4730, 31244), (5885, 25112), (6278, 23540), (6424, 23005), (7811, 18920), (8030, 18404), (9202, 16060), (9416, 15695), (9460, 15622), (11770, 12556)]