216217680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{719}}^1$

素因数の和:921

約数の個数: 160

約数和(自身を含む): 771379200

約数和(自身を除く): 555161520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 179, 210, 240, 280, 336, 358, 420, 537, 560, 716, 719, 840, 895, 1074, 1253, 1432, 1438, 1680, 1790, 2148, 2157, 2506, 2685, 2864, 2876, 3580, 3595, 3759, 4296, 4314, 5012, 5033, 5370, 5752, 6265, 7160, 7190, 7518, 8592, 8628, 10024, 10066, 10740, 10785, 11504, 12530, 14320, 14380, 15036, 15099, 17256, 18795, 20048, 20132, 21480, 21570, 25060, 25165, 28760, 30072, 30198, 34512, 37590, 40264, 42960, 43140, 50120, 50330, 57520, 60144, 60396, 75180, 75495, 80528, 86280, 100240, 100660, 120792, 128701, 150360, 150990, 172560, 201320, 241584, 257402, 300720, 301980, 386103, 402640, 514804, 603960, 643505, 772206, 900907, 1029608, 1207920, 1287010, 1544412, 1801814, 1930515, 2059216, 2574020, 2702721, 3088824, 3603628, 3861030, 4504535, 5148040, 5405442, 6177648, 7207256, 7722060, 9009070, 10296080, 10810884, 13513605, 14414512, 15444120, 18018140, 21621768, 27027210, 30888240, 36036280, 43243536, 54054420, 72072560, 108108840, 216217680]

約数ペア:

[(1, 216217680), (2, 108108840), (3, 72072560), (4, 54054420), (5, 43243536), (6, 36036280), (7, 30888240), (8, 27027210), (10, 21621768), (12, 18018140), (14, 15444120), (15, 14414512), (16, 13513605), (20, 10810884), (21, 10296080), (24, 9009070), (28, 7722060), (30, 7207256), (35, 6177648), (40, 5405442), (42, 5148040), (48, 4504535), (56, 3861030), (60, 3603628), (70, 3088824), (80, 2702721), (84, 2574020), (105, 2059216), (112, 1930515), (120, 1801814), (140, 1544412), (168, 1287010), (179, 1207920), (210, 1029608), (240, 900907), (280, 772206), (336, 643505), (358, 603960), (420, 514804), (537, 402640), (560, 386103), (716, 301980), (719, 300720), (840, 257402), (895, 241584), (1074, 201320), (1253, 172560), (1432, 150990), (1438, 150360), (1680, 128701), (1790, 120792), (2148, 100660), (2157, 100240), (2506, 86280), (2685, 80528), (2864, 75495), (2876, 75180), (3580, 60396), (3595, 60144), (3759, 57520), (4296, 50330), (4314, 50120), (5012, 43140), (5033, 42960), (5370, 40264), (5752, 37590), (6265, 34512), (7160, 30198), (7190, 30072), (7518, 28760), (8592, 25165), (8628, 25060), (10024, 21570), (10066, 21480), (10740, 20132), (10785, 20048), (11504, 18795), (12530, 17256), (14320, 15099), (14380, 15036)]