180520984

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{641}}^1$

素因数の和:808

約数の個数: 64

約数和(自身を含む): 399375360

約数和(自身を除く): 218854376

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 107, 188, 214, 329, 376, 428, 641, 658, 749, 856, 1282, 1316, 1498, 2564, 2632, 2996, 4487, 5029, 5128, 5992, 8974, 10058, 17948, 20116, 30127, 35203, 35896, 40232, 60254, 68587, 70406, 120508, 137174, 140812, 210889, 241016, 274348, 281624, 421778, 480109, 548696, 843556, 960218, 1687112, 1920436, 3223589, 3840872, 6447178, 12894356, 22565123, 25788712, 45130246, 90260492, 180520984]

約数ペア:

[(1, 180520984), (2, 90260492), (4, 45130246), (7, 25788712), (8, 22565123), (14, 12894356), (28, 6447178), (47, 3840872), (56, 3223589), (94, 1920436), (107, 1687112), (188, 960218), (214, 843556), (329, 548696), (376, 480109), (428, 421778), (641, 281624), (658, 274348), (749, 241016), (856, 210889), (1282, 140812), (1316, 137174), (1498, 120508), (2564, 70406), (2632, 68587), (2996, 60254), (4487, 40232), (5029, 35896), (5128, 35203), (5992, 30127), (8974, 20116), (10058, 17948)]