138275760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{82307}}^1$

素因数の和:82330

約数の個数: 80

約数和(自身を含む): 489897216

約数和(自身を除く): 351621456

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, 210, 240, 280, 336, 420, 560, 840, 1680, 82307, 164614, 246921, 329228, 411535, 493842, 576149, 658456, 823070, 987684, 1152298, 1234605, 1316912, 1646140, 1728447, 1975368, 2304596, 2469210, 2880745, 3292280, 3456894, 3950736, 4609192, 4938420, 5761490, 6584560, 6913788, 8642235, 9218384, 9876840, 11522980, 13827576, 17284470, 19753680, 23045960, 27655152, 34568940, 46091920, 69137880, 138275760]

約数ペア:

[(1, 138275760), (2, 69137880), (3, 46091920), (4, 34568940), (5, 27655152), (6, 23045960), (7, 19753680), (8, 17284470), (10, 13827576), (12, 11522980), (14, 9876840), (15, 9218384), (16, 8642235), (20, 6913788), (21, 6584560), (24, 5761490), (28, 4938420), (30, 4609192), (35, 3950736), (40, 3456894), (42, 3292280), (48, 2880745), (56, 2469210), (60, 2304596), (70, 1975368), (80, 1728447), (84, 1646140), (105, 1316912), (112, 1234605), (120, 1152298), (140, 987684), (168, 823070), (210, 658456), (240, 576149), (280, 493842), (336, 411535), (420, 329228), (560, 246921), (840, 164614), (1680, 82307)]