123172440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{607}}^1$

素因数の和:729

約数の個数: 128

約数和(自身を含む): 393984000

約数和(自身を除く): 270811560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 89, 95, 114, 120, 152, 178, 190, 228, 267, 285, 356, 380, 445, 456, 534, 570, 607, 712, 760, 890, 1068, 1140, 1214, 1335, 1691, 1780, 1821, 2136, 2280, 2428, 2670, 3035, 3382, 3560, 3642, 4856, 5073, 5340, 6070, 6764, 7284, 8455, 9105, 10146, 10680, 11533, 12140, 13528, 14568, 16910, 18210, 20292, 23066, 24280, 25365, 33820, 34599, 36420, 40584, 46132, 50730, 54023, 57665, 67640, 69198, 72840, 92264, 101460, 108046, 115330, 138396, 162069, 172995, 202920, 216092, 230660, 270115, 276792, 324138, 345990, 432184, 461320, 540230, 648276, 691980, 810345, 1026437, 1080460, 1296552, 1383960, 1620690, 2052874, 2160920, 3079311, 3241380, 4105748, 5132185, 6158622, 6482760, 8211496, 10264370, 12317244, 15396555, 20528740, 24634488, 30793110, 41057480, 61586220, 123172440]

約数ペア:

[(1, 123172440), (2, 61586220), (3, 41057480), (4, 30793110), (5, 24634488), (6, 20528740), (8, 15396555), (10, 12317244), (12, 10264370), (15, 8211496), (19, 6482760), (20, 6158622), (24, 5132185), (30, 4105748), (38, 3241380), (40, 3079311), (57, 2160920), (60, 2052874), (76, 1620690), (89, 1383960), (95, 1296552), (114, 1080460), (120, 1026437), (152, 810345), (178, 691980), (190, 648276), (228, 540230), (267, 461320), (285, 432184), (356, 345990), (380, 324138), (445, 276792), (456, 270115), (534, 230660), (570, 216092), (607, 202920), (712, 172995), (760, 162069), (890, 138396), (1068, 115330), (1140, 108046), (1214, 101460), (1335, 92264), (1691, 72840), (1780, 69198), (1821, 67640), (2136, 57665), (2280, 54023), (2428, 50730), (2670, 46132), (3035, 40584), (3382, 36420), (3560, 34599), (3642, 33820), (4856, 25365), (5073, 24280), (5340, 23066), (6070, 20292), (6764, 18210), (7284, 16910), (8455, 14568), (9105, 13528), (10146, 12140), (10680, 11533)]