820542816

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{149953}}^1$

素因数の和:149988

約数の個数: 72

約数和(自身を含む): 2456246520

約数和(自身を除く): 1635703704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 288, 304, 342, 456, 608, 684, 912, 1368, 1824, 2736, 5472, 149953, 299906, 449859, 599812, 899718, 1199624, 1349577, 1799436, 2399248, 2699154, 2849107, 3598872, 4798496, 5398308, 5698214, 7197744, 8547321, 10796616, 11396428, 14395488, 17094642, 21593232, 22792856, 25641963, 34189284, 43186464, 45585712, 51283926, 68378568, 91171424, 102567852, 136757136, 205135704, 273514272, 410271408, 820542816]

約数ペア:

[(1, 820542816), (2, 410271408), (3, 273514272), (4, 205135704), (6, 136757136), (8, 102567852), (9, 91171424), (12, 68378568), (16, 51283926), (18, 45585712), (19, 43186464), (24, 34189284), (32, 25641963), (36, 22792856), (38, 21593232), (48, 17094642), (57, 14395488), (72, 11396428), (76, 10796616), (96, 8547321), (114, 7197744), (144, 5698214), (152, 5398308), (171, 4798496), (228, 3598872), (288, 2849107), (304, 2699154), (342, 2399248), (456, 1799436), (608, 1349577), (684, 1199624), (912, 899718), (1368, 599812), (1824, 449859), (2736, 299906), (5472, 149953)]