639491664

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{919}}^1$

素因数の和:1065

約数の個数: 160

約数和(自身を含む): 2007808000

約数和(自身を除く): 1368316336

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 56, 57, 76, 84, 109, 112, 114, 133, 152, 168, 218, 228, 266, 304, 327, 336, 399, 436, 456, 532, 654, 763, 798, 872, 912, 919, 1064, 1308, 1526, 1596, 1744, 1838, 2071, 2128, 2289, 2616, 2757, 3052, 3192, 3676, 4142, 4578, 5232, 5514, 6104, 6213, 6384, 6433, 7352, 8284, 9156, 11028, 12208, 12426, 12866, 14497, 14704, 16568, 17461, 18312, 19299, 22056, 24852, 25732, 28994, 33136, 34922, 36624, 38598, 43491, 44112, 49704, 51464, 52383, 57988, 69844, 77196, 86982, 99408, 100171, 102928, 104766, 115976, 122227, 139688, 154392, 173964, 200342, 209532, 231952, 244454, 279376, 300513, 308784, 347928, 366681, 400684, 419064, 488908, 601026, 695856, 701197, 733362, 801368, 838128, 977816, 1202052, 1402394, 1466724, 1602736, 1903249, 1955632, 2103591, 2404104, 2804788, 2933448, 3806498, 4207182, 4808208, 5609576, 5709747, 5866896, 7612996, 8414364, 11219152, 11419494, 13322743, 15225992, 16828728, 22838988, 26645486, 30451984, 33657456, 39968229, 45677976, 53290972, 79936458, 91355952, 106581944, 159872916, 213163888, 319745832, 639491664]

約数ペア:

[(1, 639491664), (2, 319745832), (3, 213163888), (4, 159872916), (6, 106581944), (7, 91355952), (8, 79936458), (12, 53290972), (14, 45677976), (16, 39968229), (19, 33657456), (21, 30451984), (24, 26645486), (28, 22838988), (38, 16828728), (42, 15225992), (48, 13322743), (56, 11419494), (57, 11219152), (76, 8414364), (84, 7612996), (109, 5866896), (112, 5709747), (114, 5609576), (133, 4808208), (152, 4207182), (168, 3806498), (218, 2933448), (228, 2804788), (266, 2404104), (304, 2103591), (327, 1955632), (336, 1903249), (399, 1602736), (436, 1466724), (456, 1402394), (532, 1202052), (654, 977816), (763, 838128), (798, 801368), (872, 733362), (912, 701197), (919, 695856), (1064, 601026), (1308, 488908), (1526, 419064), (1596, 400684), (1744, 366681), (1838, 347928), (2071, 308784), (2128, 300513), (2289, 279376), (2616, 244454), (2757, 231952), (3052, 209532), (3192, 200342), (3676, 173964), (4142, 154392), (4578, 139688), (5232, 122227), (5514, 115976), (6104, 104766), (6213, 102928), (6384, 100171), (6433, 99408), (7352, 86982), (8284, 77196), (9156, 69844), (11028, 57988), (12208, 52383), (12426, 51464), (12866, 49704), (14497, 44112), (14704, 43491), (16568, 38598), (17461, 36624), (18312, 34922), (19299, 33136), (22056, 28994), (24852, 25732)]