218962800

素因数分解:

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

素因数の和:8720

約数の個数: 180

約数和(自身を含む): 868513360

約数和(自身を除く): 649550560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 100, 105, 112, 120, 126, 140, 144, 150, 168, 175, 180, 200, 210, 225, 240, 252, 280, 300, 315, 336, 350, 360, 400, 420, 450, 504, 525, 560, 600, 630, 700, 720, 840, 900, 1008, 1050, 1200, 1260, 1400, 1575, 1680, 1800, 2100, 2520, 2800, 3150, 3600, 4200, 5040, 6300, 8400, 8689, 12600, 17378, 25200, 26067, 34756, 43445, 52134, 60823, 69512, 78201, 86890, 104268, 121646, 130335, 139024, 156402, 173780, 182469, 208536, 217225, 243292, 260670, 304115, 312804, 347560, 364938, 391005, 417072, 434450, 486584, 521340, 547407, 608230, 625608, 651675, 695120, 729876, 782010, 868900, 912345, 973168, 1042680, 1094814, 1216460, 1251216, 1303350, 1459752, 1520575, 1564020, 1737800, 1824690, 1955025, 2085360, 2189628, 2432920, 2606700, 2737035, 2919504, 3041150, 3128040, 3475600, 3649380, 3910050, 4379256, 4561725, 4865840, 5213400, 5474070, 6082300, 6256080, 7298760, 7820100, 8758512, 9123450, 10426800, 10948140, 12164600, 13685175, 14597520, 15640200, 18246900, 21896280, 24329200, 27370350, 31280400, 36493800, 43792560, 54740700, 72987600, 109481400, 218962800]

約数ペア:

[(1, 218962800), (2, 109481400), (3, 72987600), (4, 54740700), (5, 43792560), (6, 36493800), (7, 31280400), (8, 27370350), (9, 24329200), (10, 21896280), (12, 18246900), (14, 15640200), (15, 14597520), (16, 13685175), (18, 12164600), (20, 10948140), (21, 10426800), (24, 9123450), (25, 8758512), (28, 7820100), (30, 7298760), (35, 6256080), (36, 6082300), (40, 5474070), (42, 5213400), (45, 4865840), (48, 4561725), (50, 4379256), (56, 3910050), (60, 3649380), (63, 3475600), (70, 3128040), (72, 3041150), (75, 2919504), (80, 2737035), (84, 2606700), (90, 2432920), (100, 2189628), (105, 2085360), (112, 1955025), (120, 1824690), (126, 1737800), (140, 1564020), (144, 1520575), (150, 1459752), (168, 1303350), (175, 1251216), (180, 1216460), (200, 1094814), (210, 1042680), (225, 973168), (240, 912345), (252, 868900), (280, 782010), (300, 729876), (315, 695120), (336, 651675), (350, 625608), (360, 608230), (400, 547407), (420, 521340), (450, 486584), (504, 434450), (525, 417072), (560, 391005), (600, 364938), (630, 347560), (700, 312804), (720, 304115), (840, 260670), (900, 243292), (1008, 217225), (1050, 208536), (1200, 182469), (1260, 173780), (1400, 156402), (1575, 139024), (1680, 130335), (1800, 121646), (2100, 104268), (2520, 86890), (2800, 78201), (3150, 69512), (3600, 60823), (4200, 52134), (5040, 43445), (6300, 34756), (8400, 26067), (8689, 25200), (12600, 17378)]