428508720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1291}}^1$

素因数の和:1771

約数の個数: 120

約数和(自身を含む): 1443313872

約数和(自身を除く): 1014805152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 461, 720, 922, 1291, 1383, 1844, 2305, 2582, 2766, 3688, 3873, 4149, 4610, 5164, 5532, 6455, 6915, 7376, 7746, 8298, 9220, 10328, 11064, 11619, 12910, 13830, 15492, 16596, 18440, 19365, 20656, 20745, 22128, 23238, 25820, 27660, 30984, 33192, 36880, 38730, 41490, 46476, 51640, 55320, 58095, 61968, 66384, 77460, 82980, 92952, 103280, 110640, 116190, 154920, 165960, 185904, 232380, 309840, 331920, 464760, 595151, 929520, 1190302, 1785453, 2380604, 2975755, 3570906, 4761208, 5356359, 5951510, 7141812, 8927265, 9522416, 10712718, 11903020, 14283624, 17854530, 21425436, 23806040, 26781795, 28567248, 35709060, 42850872, 47612080, 53563590, 71418120, 85701744, 107127180, 142836240, 214254360, 428508720]

約数ペア:

[(1, 428508720), (2, 214254360), (3, 142836240), (4, 107127180), (5, 85701744), (6, 71418120), (8, 53563590), (9, 47612080), (10, 42850872), (12, 35709060), (15, 28567248), (16, 26781795), (18, 23806040), (20, 21425436), (24, 17854530), (30, 14283624), (36, 11903020), (40, 10712718), (45, 9522416), (48, 8927265), (60, 7141812), (72, 5951510), (80, 5356359), (90, 4761208), (120, 3570906), (144, 2975755), (180, 2380604), (240, 1785453), (360, 1190302), (461, 929520), (720, 595151), (922, 464760), (1291, 331920), (1383, 309840), (1844, 232380), (2305, 185904), (2582, 165960), (2766, 154920), (3688, 116190), (3873, 110640), (4149, 103280), (4610, 92952), (5164, 82980), (5532, 77460), (6455, 66384), (6915, 61968), (7376, 58095), (7746, 55320), (8298, 51640), (9220, 46476), (10328, 41490), (11064, 38730), (11619, 36880), (12910, 33192), (13830, 30984), (15492, 27660), (16596, 25820), (18440, 23238), (19365, 22128), (20656, 20745)]