131377680

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{8689}}^1$

素因数の和:8718

約数の個数: 160

約数和(自身を含む): 517228800

約数和(自身を除く): 385851120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 8689, 15120, 17378, 26067, 34756, 43445, 52134, 60823, 69512, 78201, 86890, 104268, 121646, 130335, 139024, 156402, 173780, 182469, 208536, 234603, 243292, 260670, 304115, 312804, 347560, 364938, 391005, 417072, 469206, 486584, 521340, 547407, 608230, 625608, 695120, 729876, 782010, 912345, 938412, 973168, 1042680, 1094814, 1173015, 1216460, 1251216, 1459752, 1564020, 1642221, 1824690, 1876824, 2085360, 2189628, 2346030, 2432920, 2737035, 2919504, 3128040, 3284442, 3649380, 3753648, 4379256, 4692060, 4865840, 5474070, 6256080, 6568884, 7298760, 8211105, 8758512, 9384120, 10948140, 13137768, 14597520, 16422210, 18768240, 21896280, 26275536, 32844420, 43792560, 65688840, 131377680]

約数ペア:

[(1, 131377680), (2, 65688840), (3, 43792560), (4, 32844420), (5, 26275536), (6, 21896280), (7, 18768240), (8, 16422210), (9, 14597520), (10, 13137768), (12, 10948140), (14, 9384120), (15, 8758512), (16, 8211105), (18, 7298760), (20, 6568884), (21, 6256080), (24, 5474070), (27, 4865840), (28, 4692060), (30, 4379256), (35, 3753648), (36, 3649380), (40, 3284442), (42, 3128040), (45, 2919504), (48, 2737035), (54, 2432920), (56, 2346030), (60, 2189628), (63, 2085360), (70, 1876824), (72, 1824690), (80, 1642221), (84, 1564020), (90, 1459752), (105, 1251216), (108, 1216460), (112, 1173015), (120, 1094814), (126, 1042680), (135, 973168), (140, 938412), (144, 912345), (168, 782010), (180, 729876), (189, 695120), (210, 625608), (216, 608230), (240, 547407), (252, 521340), (270, 486584), (280, 469206), (315, 417072), (336, 391005), (360, 364938), (378, 347560), (420, 312804), (432, 304115), (504, 260670), (540, 243292), (560, 234603), (630, 208536), (720, 182469), (756, 173780), (840, 156402), (945, 139024), (1008, 130335), (1080, 121646), (1260, 104268), (1512, 86890), (1680, 78201), (1890, 69512), (2160, 60823), (2520, 52134), (3024, 43445), (3780, 34756), (5040, 26067), (7560, 17378), (8689, 15120)]