512820

素因数分解:

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

素因数の和:70

約数の個数: 144

約数和(自身を含む): 1991808

約数和(自身を除く): 1478988

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 37, 42, 44, 45, 55, 60, 63, 66, 70, 74, 77, 84, 90, 99, 105, 110, 111, 126, 132, 140, 148, 154, 165, 180, 185, 198, 210, 220, 222, 231, 252, 259, 308, 315, 330, 333, 370, 385, 396, 407, 420, 444, 462, 495, 518, 555, 630, 660, 666, 693, 740, 770, 777, 814, 924, 990, 1036, 1110, 1155, 1221, 1260, 1295, 1332, 1386, 1540, 1554, 1628, 1665, 1980, 2035, 2220, 2310, 2331, 2442, 2590, 2772, 2849, 3108, 3330, 3465, 3663, 3885, 4070, 4620, 4662, 4884, 5180, 5698, 6105, 6660, 6930, 7326, 7770, 8140, 8547, 9324, 11396, 11655, 12210, 13860, 14245, 14652, 15540, 17094, 18315, 23310, 24420, 25641, 28490, 34188, 36630, 42735, 46620, 51282, 56980, 73260, 85470, 102564, 128205, 170940, 256410, 512820]

約数ペア:

[(1, 512820), (2, 256410), (3, 170940), (4, 128205), (5, 102564), (6, 85470), (7, 73260), (9, 56980), (10, 51282), (11, 46620), (12, 42735), (14, 36630), (15, 34188), (18, 28490), (20, 25641), (21, 24420), (22, 23310), (28, 18315), (30, 17094), (33, 15540), (35, 14652), (36, 14245), (37, 13860), (42, 12210), (44, 11655), (45, 11396), (55, 9324), (60, 8547), (63, 8140), (66, 7770), (70, 7326), (74, 6930), (77, 6660), (84, 6105), (90, 5698), (99, 5180), (105, 4884), (110, 4662), (111, 4620), (126, 4070), (132, 3885), (140, 3663), (148, 3465), (154, 3330), (165, 3108), (180, 2849), (185, 2772), (198, 2590), (210, 2442), (220, 2331), (222, 2310), (231, 2220), (252, 2035), (259, 1980), (308, 1665), (315, 1628), (330, 1554), (333, 1540), (370, 1386), (385, 1332), (396, 1295), (407, 1260), (420, 1221), (444, 1155), (462, 1110), (495, 1036), (518, 990), (555, 924), (630, 814), (660, 777), (666, 770), (693, 740)]