640536552

素因数分解:

$2^3\times 3^3\times {\mathrm{131}}^1\times {\mathrm{22637}}^1$

素因数の和:22783

約数の個数: 64

約数和(自身を含む): 1792929600

約数和(自身を除く): 1152393048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 131, 216, 262, 393, 524, 786, 1048, 1179, 1572, 2358, 3144, 3537, 4716, 7074, 9432, 14148, 22637, 28296, 45274, 67911, 90548, 135822, 181096, 203733, 271644, 407466, 543288, 611199, 814932, 1222398, 1629864, 2444796, 2965447, 4889592, 5930894, 8896341, 11861788, 17792682, 23723576, 26689023, 35585364, 53378046, 71170728, 80067069, 106756092, 160134138, 213512184, 320268276, 640536552]

約数ペア:

[(1, 640536552), (2, 320268276), (3, 213512184), (4, 160134138), (6, 106756092), (8, 80067069), (9, 71170728), (12, 53378046), (18, 35585364), (24, 26689023), (27, 23723576), (36, 17792682), (54, 11861788), (72, 8896341), (108, 5930894), (131, 4889592), (216, 2965447), (262, 2444796), (393, 1629864), (524, 1222398), (786, 814932), (1048, 611199), (1179, 543288), (1572, 407466), (2358, 271644), (3144, 203733), (3537, 181096), (4716, 135822), (7074, 90548), (9432, 67911), (14148, 45274), (22637, 28296)]