217650720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{307}}^1$

素因数の和:543

約数の個数: 192

約数和(自身を含む): 789820416

約数和(自身を除く): 572169696

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 211, 224, 240, 280, 307, 336, 420, 422, 480, 560, 614, 633, 672, 840, 844, 921, 1055, 1120, 1228, 1266, 1477, 1535, 1680, 1688, 1842, 2110, 2149, 2456, 2532, 2954, 3070, 3165, 3360, 3376, 3684, 4220, 4298, 4431, 4605, 4912, 5064, 5908, 6140, 6330, 6447, 6752, 7368, 7385, 8440, 8596, 8862, 9210, 9824, 10128, 10745, 11816, 12280, 12660, 12894, 14736, 14770, 16880, 17192, 17724, 18420, 20256, 21490, 22155, 23632, 24560, 25320, 25788, 29472, 29540, 32235, 33760, 34384, 35448, 36840, 42980, 44310, 47264, 49120, 50640, 51576, 59080, 64470, 64777, 68768, 70896, 73680, 85960, 88620, 101280, 103152, 118160, 128940, 129554, 141792, 147360, 171920, 177240, 194331, 206304, 236320, 257880, 259108, 323885, 343840, 354480, 388662, 453439, 515760, 518216, 647770, 708960, 777324, 906878, 971655, 1031520, 1036432, 1295540, 1360317, 1554648, 1813756, 1943310, 2072864, 2267195, 2591080, 2720634, 3109296, 3627512, 3886620, 4534390, 5182160, 5441268, 6218592, 6801585, 7255024, 7773240, 9068780, 10364320, 10882536, 13603170, 14510048, 15546480, 18137560, 21765072, 27206340, 31092960, 36275120, 43530144, 54412680, 72550240, 108825360, 217650720]

約数ペア:

[(1, 217650720), (2, 108825360), (3, 72550240), (4, 54412680), (5, 43530144), (6, 36275120), (7, 31092960), (8, 27206340), (10, 21765072), (12, 18137560), (14, 15546480), (15, 14510048), (16, 13603170), (20, 10882536), (21, 10364320), (24, 9068780), (28, 7773240), (30, 7255024), (32, 6801585), (35, 6218592), (40, 5441268), (42, 5182160), (48, 4534390), (56, 3886620), (60, 3627512), (70, 3109296), (80, 2720634), (84, 2591080), (96, 2267195), (105, 2072864), (112, 1943310), (120, 1813756), (140, 1554648), (160, 1360317), (168, 1295540), (210, 1036432), (211, 1031520), (224, 971655), (240, 906878), (280, 777324), (307, 708960), (336, 647770), (420, 518216), (422, 515760), (480, 453439), (560, 388662), (614, 354480), (633, 343840), (672, 323885), (840, 259108), (844, 257880), (921, 236320), (1055, 206304), (1120, 194331), (1228, 177240), (1266, 171920), (1477, 147360), (1535, 141792), (1680, 129554), (1688, 128940), (1842, 118160), (2110, 103152), (2149, 101280), (2456, 88620), (2532, 85960), (2954, 73680), (3070, 70896), (3165, 68768), (3360, 64777), (3376, 64470), (3684, 59080), (4220, 51576), (4298, 50640), (4431, 49120), (4605, 47264), (4912, 44310), (5064, 42980), (5908, 36840), (6140, 35448), (6330, 34384), (6447, 33760), (6752, 32235), (7368, 29540), (7385, 29472), (8440, 25788), (8596, 25320), (8862, 24560), (9210, 23632), (9824, 22155), (10128, 21490), (10745, 20256), (11816, 18420), (12280, 17724), (12660, 17192), (12894, 16880), (14736, 14770)]