208687920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7307}}^1$

素因数の和:7347

約数の個数: 160

約数和(自身を含む): 782949888

約数和(自身を除く): 574261968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 510, 560, 595, 680, 714, 816, 840, 952, 1020, 1190, 1360, 1428, 1680, 1785, 1904, 2040, 2380, 2856, 3570, 4080, 4760, 5712, 7140, 7307, 9520, 14280, 14614, 21921, 28560, 29228, 36535, 43842, 51149, 58456, 73070, 87684, 102298, 109605, 116912, 124219, 146140, 153447, 175368, 204596, 219210, 248438, 255745, 292280, 306894, 350736, 372657, 409192, 438420, 496876, 511490, 584560, 613788, 621095, 745314, 767235, 818384, 869533, 876840, 993752, 1022980, 1227576, 1242190, 1490628, 1534470, 1739066, 1753680, 1863285, 1987504, 2045960, 2455152, 2484380, 2608599, 2981256, 3068940, 3478132, 3726570, 4091920, 4347665, 4968760, 5217198, 5962512, 6137880, 6956264, 7453140, 8695330, 9937520, 10434396, 12275760, 13042995, 13912528, 14906280, 17390660, 20868792, 26085990, 29812560, 34781320, 41737584, 52171980, 69562640, 104343960, 208687920]

約数ペア:

[(1, 208687920), (2, 104343960), (3, 69562640), (4, 52171980), (5, 41737584), (6, 34781320), (7, 29812560), (8, 26085990), (10, 20868792), (12, 17390660), (14, 14906280), (15, 13912528), (16, 13042995), (17, 12275760), (20, 10434396), (21, 9937520), (24, 8695330), (28, 7453140), (30, 6956264), (34, 6137880), (35, 5962512), (40, 5217198), (42, 4968760), (48, 4347665), (51, 4091920), (56, 3726570), (60, 3478132), (68, 3068940), (70, 2981256), (80, 2608599), (84, 2484380), (85, 2455152), (102, 2045960), (105, 1987504), (112, 1863285), (119, 1753680), (120, 1739066), (136, 1534470), (140, 1490628), (168, 1242190), (170, 1227576), (204, 1022980), (210, 993752), (238, 876840), (240, 869533), (255, 818384), (272, 767235), (280, 745314), (336, 621095), (340, 613788), (357, 584560), (408, 511490), (420, 496876), (476, 438420), (510, 409192), (560, 372657), (595, 350736), (680, 306894), (714, 292280), (816, 255745), (840, 248438), (952, 219210), (1020, 204596), (1190, 175368), (1360, 153447), (1428, 146140), (1680, 124219), (1785, 116912), (1904, 109605), (2040, 102298), (2380, 87684), (2856, 73070), (3570, 58456), (4080, 51149), (4760, 43842), (5712, 36535), (7140, 29228), (7307, 28560), (9520, 21921), (14280, 14614)]