256410

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:68

約数の個数: 96

約数和(自身を含む): 853632

約数和(自身を除く): 597222

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 37, 42, 45, 55, 63, 66, 70, 74, 77, 90, 99, 105, 110, 111, 126, 154, 165, 185, 198, 210, 222, 231, 259, 315, 330, 333, 370, 385, 407, 462, 495, 518, 555, 630, 666, 693, 770, 777, 814, 990, 1110, 1155, 1221, 1295, 1386, 1554, 1665, 2035, 2310, 2331, 2442, 2590, 2849, 3330, 3465, 3663, 3885, 4070, 4662, 5698, 6105, 6930, 7326, 7770, 8547, 11655, 12210, 14245, 17094, 18315, 23310, 25641, 28490, 36630, 42735, 51282, 85470, 128205, 256410]

約数ペア:

[(1, 256410), (2, 128205), (3, 85470), (5, 51282), (6, 42735), (7, 36630), (9, 28490), (10, 25641), (11, 23310), (14, 18315), (15, 17094), (18, 14245), (21, 12210), (22, 11655), (30, 8547), (33, 7770), (35, 7326), (37, 6930), (42, 6105), (45, 5698), (55, 4662), (63, 4070), (66, 3885), (70, 3663), (74, 3465), (77, 3330), (90, 2849), (99, 2590), (105, 2442), (110, 2331), (111, 2310), (126, 2035), (154, 1665), (165, 1554), (185, 1386), (198, 1295), (210, 1221), (222, 1155), (231, 1110), (259, 990), (315, 814), (330, 777), (333, 770), (370, 693), (385, 666), (407, 630), (462, 555), (495, 518)]