321140512

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:511

約数の個数: 144

約数和(自身を含む): 822884832

約数和(自身を除く): 501744320

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 43, 44, 49, 56, 77, 86, 88, 98, 112, 154, 172, 176, 196, 224, 301, 308, 344, 352, 392, 433, 473, 539, 602, 616, 688, 784, 866, 946, 1078, 1204, 1232, 1376, 1568, 1732, 1892, 2107, 2156, 2408, 2464, 3031, 3311, 3464, 3784, 4214, 4312, 4763, 4816, 6062, 6622, 6928, 7568, 8428, 8624, 9526, 9632, 12124, 13244, 13856, 15136, 16856, 17248, 18619, 19052, 21217, 23177, 24248, 26488, 33341, 33712, 37238, 38104, 42434, 46354, 48496, 52976, 66682, 67424, 74476, 76208, 84868, 92708, 96992, 105952, 130333, 133364, 148952, 152416, 169736, 185416, 204809, 233387, 260666, 266728, 297904, 339472, 370832, 409618, 466774, 521332, 533456, 595808, 678944, 741664, 819236, 912331, 933548, 1042664, 1066912, 1433663, 1638472, 1824662, 1867096, 2085328, 2867326, 3276944, 3649324, 3734192, 4170656, 5734652, 6553888, 7298648, 7468384, 10035641, 11469304, 14597296, 20071282, 22938608, 29194592, 40142564, 45877216, 80285128, 160570256, 321140512]

約数ペア:

[(1, 321140512), (2, 160570256), (4, 80285128), (7, 45877216), (8, 40142564), (11, 29194592), (14, 22938608), (16, 20071282), (22, 14597296), (28, 11469304), (32, 10035641), (43, 7468384), (44, 7298648), (49, 6553888), (56, 5734652), (77, 4170656), (86, 3734192), (88, 3649324), (98, 3276944), (112, 2867326), (154, 2085328), (172, 1867096), (176, 1824662), (196, 1638472), (224, 1433663), (301, 1066912), (308, 1042664), (344, 933548), (352, 912331), (392, 819236), (433, 741664), (473, 678944), (539, 595808), (602, 533456), (616, 521332), (688, 466774), (784, 409618), (866, 370832), (946, 339472), (1078, 297904), (1204, 266728), (1232, 260666), (1376, 233387), (1568, 204809), (1732, 185416), (1892, 169736), (2107, 152416), (2156, 148952), (2408, 133364), (2464, 130333), (3031, 105952), (3311, 96992), (3464, 92708), (3784, 84868), (4214, 76208), (4312, 74476), (4763, 67424), (4816, 66682), (6062, 52976), (6622, 48496), (6928, 46354), (7568, 42434), (8428, 38104), (8624, 37238), (9526, 33712), (9632, 33341), (12124, 26488), (13244, 24248), (13856, 23177), (15136, 21217), (16856, 19052), (17248, 18619)]