640442002284

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{15307}}^1\times {\mathrm{166031}}^1$

素因数の和:181355

約数の個数: 72

約数和(自身を含む): 1850297799168

約数和(自身を除く): 1209855796884

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 15307, 30614, 45921, 61228, 91842, 107149, 137763, 166031, 183684, 214298, 275526, 321447, 332062, 428596, 498093, 551052, 642894, 664124, 964341, 996186, 1162217, 1285788, 1494279, 1928682, 1992372, 2324434, 2988558, 3486651, 3857364, 4648868, 5977116, 6973302, 10459953, 13946604, 20919906, 41839812, 2541436517, 5082873034, 7624309551, 10165746068, 15248619102, 17790055619, 22872928653, 30497238204, 35580111238, 45745857306, 53370166857, 71160222476, 91491714612, 106740333714, 160110500571, 213480667428, 320221001142, 640442002284]

約数ペア:

[(1, 640442002284), (2, 320221001142), (3, 213480667428), (4, 160110500571), (6, 106740333714), (7, 91491714612), (9, 71160222476), (12, 53370166857), (14, 45745857306), (18, 35580111238), (21, 30497238204), (28, 22872928653), (36, 17790055619), (42, 15248619102), (63, 10165746068), (84, 7624309551), (126, 5082873034), (252, 2541436517), (15307, 41839812), (30614, 20919906), (45921, 13946604), (61228, 10459953), (91842, 6973302), (107149, 5977116), (137763, 4648868), (166031, 3857364), (183684, 3486651), (214298, 2988558), (275526, 2324434), (321447, 1992372), (332062, 1928682), (428596, 1494279), (498093, 1285788), (551052, 1162217), (642894, 996186), (664124, 964341)]