636951920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{42577}}^1$

素因数の和:42618

約数の個数: 80

約数和(自身を含む): 1710613728

約数和(自身を除く): 1073661808

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2992, 3740, 7480, 14960, 42577, 85154, 170308, 212885, 340616, 425770, 468347, 681232, 723809, 851540, 936694, 1447618, 1703080, 1873388, 2341735, 2895236, 3406160, 3619045, 3746776, 4683470, 5790472, 7238090, 7493552, 7961899, 9366940, 11580944, 14476180, 15923798, 18733880, 28952360, 31847596, 37467760, 39809495, 57904720, 63695192, 79618990, 127390384, 159237980, 318475960, 636951920]

約数ペア:

[(1, 636951920), (2, 318475960), (4, 159237980), (5, 127390384), (8, 79618990), (10, 63695192), (11, 57904720), (16, 39809495), (17, 37467760), (20, 31847596), (22, 28952360), (34, 18733880), (40, 15923798), (44, 14476180), (55, 11580944), (68, 9366940), (80, 7961899), (85, 7493552), (88, 7238090), (110, 5790472), (136, 4683470), (170, 3746776), (176, 3619045), (187, 3406160), (220, 2895236), (272, 2341735), (340, 1873388), (374, 1703080), (440, 1447618), (680, 936694), (748, 851540), (880, 723809), (935, 681232), (1360, 468347), (1496, 425770), (1870, 340616), (2992, 212885), (3740, 170308), (7480, 85154), (14960, 42577)]