1878756495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{359}}^1$

素因数の和:605

約数の個数: 128

約数和(自身を含む): 3941498880

約数和(自身を除く): 2062742385

約数列:

[1, 3, 5, 7, 11, 15, 21, 23, 33, 35, 55, 69, 77, 105, 115, 161, 165, 197, 231, 253, 345, 359, 385, 483, 591, 759, 805, 985, 1077, 1155, 1265, 1379, 1771, 1795, 2167, 2415, 2513, 2955, 3795, 3949, 4137, 4531, 5313, 5385, 6501, 6895, 7539, 8257, 8855, 10835, 11847, 12565, 13593, 15169, 19745, 20685, 22655, 24771, 26565, 27643, 31717, 32505, 37695, 41285, 45507, 49841, 57799, 59235, 67965, 70723, 75845, 82929, 90827, 95151, 123855, 138215, 149523, 158585, 173397, 212169, 227535, 249205, 272481, 288995, 348887, 353615, 414645, 454135, 475755, 495061, 635789, 747615, 777953, 866985, 1046661, 1060845, 1362405, 1485183, 1626629, 1744435, 1907367, 2333859, 2475305, 3178945, 3889765, 4879887, 5233305, 5445671, 7425915, 8133145, 9536835, 11386403, 11669295, 16337013, 17892919, 24399435, 27228355, 34159209, 53678757, 56932015, 81685065, 89464595, 125250433, 170796045, 268393785, 375751299, 626252165, 1878756495]

約数ペア:

[(1, 1878756495), (3, 626252165), (5, 375751299), (7, 268393785), (11, 170796045), (15, 125250433), (21, 89464595), (23, 81685065), (33, 56932015), (35, 53678757), (55, 34159209), (69, 27228355), (77, 24399435), (105, 17892919), (115, 16337013), (161, 11669295), (165, 11386403), (197, 9536835), (231, 8133145), (253, 7425915), (345, 5445671), (359, 5233305), (385, 4879887), (483, 3889765), (591, 3178945), (759, 2475305), (805, 2333859), (985, 1907367), (1077, 1744435), (1155, 1626629), (1265, 1485183), (1379, 1362405), (1771, 1060845), (1795, 1046661), (2167, 866985), (2415, 777953), (2513, 747615), (2955, 635789), (3795, 495061), (3949, 475755), (4137, 454135), (4531, 414645), (5313, 353615), (5385, 348887), (6501, 288995), (6895, 272481), (7539, 249205), (8257, 227535), (8855, 212169), (10835, 173397), (11847, 158585), (12565, 149523), (13593, 138215), (15169, 123855), (19745, 95151), (20685, 90827), (22655, 82929), (24771, 75845), (26565, 70723), (27643, 67965), (31717, 59235), (32505, 57799), (37695, 49841), (41285, 45507)]