255143790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{317}}^1$

素因数の和:615

約数の個数: 128

約数和(自身を含む): 747325440

約数和(自身を除く): 492181650

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 135, 165, 198, 270, 271, 297, 317, 330, 495, 542, 594, 634, 813, 951, 990, 1355, 1485, 1585, 1626, 1902, 2439, 2710, 2853, 2970, 2981, 3170, 3487, 4065, 4755, 4878, 5706, 5962, 6974, 7317, 8130, 8559, 8943, 9510, 10461, 12195, 14265, 14634, 14905, 17118, 17435, 17886, 20922, 24390, 26829, 28530, 29810, 31383, 34870, 36585, 42795, 44715, 52305, 53658, 62766, 73170, 80487, 85590, 85907, 89430, 94149, 104610, 134145, 156915, 160974, 171814, 188298, 257721, 268290, 313830, 402435, 429535, 470745, 515442, 773163, 804870, 859070, 941490, 944977, 1288605, 1546326, 1889954, 2319489, 2577210, 2834931, 3865815, 4638978, 4724885, 5669862, 7731630, 8504793, 9449770, 11597445, 14174655, 17009586, 23194890, 25514379, 28349310, 42523965, 51028758, 85047930, 127571895, 255143790]

約数ペア:

[(1, 255143790), (2, 127571895), (3, 85047930), (5, 51028758), (6, 42523965), (9, 28349310), (10, 25514379), (11, 23194890), (15, 17009586), (18, 14174655), (22, 11597445), (27, 9449770), (30, 8504793), (33, 7731630), (45, 5669862), (54, 4724885), (55, 4638978), (66, 3865815), (90, 2834931), (99, 2577210), (110, 2319489), (135, 1889954), (165, 1546326), (198, 1288605), (270, 944977), (271, 941490), (297, 859070), (317, 804870), (330, 773163), (495, 515442), (542, 470745), (594, 429535), (634, 402435), (813, 313830), (951, 268290), (990, 257721), (1355, 188298), (1485, 171814), (1585, 160974), (1626, 156915), (1902, 134145), (2439, 104610), (2710, 94149), (2853, 89430), (2970, 85907), (2981, 85590), (3170, 80487), (3487, 73170), (4065, 62766), (4755, 53658), (4878, 52305), (5706, 44715), (5962, 42795), (6974, 36585), (7317, 34870), (8130, 31383), (8559, 29810), (8943, 28530), (9510, 26829), (10461, 24390), (12195, 20922), (14265, 17886), (14634, 17435), (14905, 17118)]