1661632360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{51991}}^1$

素因数の和:52066

約数の個数: 64

約数和(自身を含む): 4042897920

約数和(自身を除く): 2381265560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 470, 680, 799, 940, 1598, 1880, 3196, 3995, 6392, 7990, 15980, 31960, 51991, 103982, 207964, 259955, 415928, 519910, 883847, 1039820, 1767694, 2079640, 2443577, 3535388, 4419235, 4887154, 7070776, 8838470, 9774308, 12217885, 17676940, 19548616, 24435770, 35353880, 41540809, 48871540, 83081618, 97743080, 166163236, 207704045, 332326472, 415408090, 830816180, 1661632360]

約数ペア:

[(1, 1661632360), (2, 830816180), (4, 415408090), (5, 332326472), (8, 207704045), (10, 166163236), (17, 97743080), (20, 83081618), (34, 48871540), (40, 41540809), (47, 35353880), (68, 24435770), (85, 19548616), (94, 17676940), (136, 12217885), (170, 9774308), (188, 8838470), (235, 7070776), (340, 4887154), (376, 4419235), (470, 3535388), (680, 2443577), (799, 2079640), (940, 1767694), (1598, 1039820), (1880, 883847), (3196, 519910), (3995, 415928), (6392, 259955), (7990, 207964), (15980, 103982), (31960, 51991)]