249369960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{967}}^1$

素因数の和:1295

約数の個数: 128

約数和(自身を含む): 858654720

約数和(自身を除く): 609284760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 307, 420, 614, 840, 921, 967, 1228, 1535, 1842, 1934, 2149, 2456, 2901, 3070, 3684, 3868, 4298, 4605, 4835, 5802, 6140, 6447, 6769, 7368, 7736, 8596, 9210, 9670, 10745, 11604, 12280, 12894, 13538, 14505, 17192, 18420, 19340, 20307, 21490, 23208, 25788, 27076, 29010, 32235, 33845, 36840, 38680, 40614, 42980, 51576, 54152, 58020, 64470, 67690, 81228, 85960, 101535, 116040, 128940, 135380, 162456, 203070, 257880, 270760, 296869, 406140, 593738, 812280, 890607, 1187476, 1484345, 1781214, 2078083, 2374952, 2968690, 3562428, 4156166, 4453035, 5937380, 6234249, 7124856, 8312332, 8906070, 10390415, 11874760, 12468498, 16624664, 17812140, 20780830, 24936996, 31171245, 35624280, 41561660, 49873992, 62342490, 83123320, 124684980, 249369960]

約数ペア:

[(1, 249369960), (2, 124684980), (3, 83123320), (4, 62342490), (5, 49873992), (6, 41561660), (7, 35624280), (8, 31171245), (10, 24936996), (12, 20780830), (14, 17812140), (15, 16624664), (20, 12468498), (21, 11874760), (24, 10390415), (28, 8906070), (30, 8312332), (35, 7124856), (40, 6234249), (42, 5937380), (56, 4453035), (60, 4156166), (70, 3562428), (84, 2968690), (105, 2374952), (120, 2078083), (140, 1781214), (168, 1484345), (210, 1187476), (280, 890607), (307, 812280), (420, 593738), (614, 406140), (840, 296869), (921, 270760), (967, 257880), (1228, 203070), (1535, 162456), (1842, 135380), (1934, 128940), (2149, 116040), (2456, 101535), (2901, 85960), (3070, 81228), (3684, 67690), (3868, 64470), (4298, 58020), (4605, 54152), (4835, 51576), (5802, 42980), (6140, 40614), (6447, 38680), (6769, 36840), (7368, 33845), (7736, 32235), (8596, 29010), (9210, 27076), (9670, 25788), (10745, 23208), (11604, 21490), (12280, 20307), (12894, 19340), (13538, 18420), (14505, 17192)]