780795960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{19777}}^1$

素因数の和:19845

約数の個数: 128

約数和(自身を含む): 2734110720

約数和(自身を除く): 1953314760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 470, 564, 658, 705, 840, 940, 987, 1128, 1316, 1410, 1645, 1880, 1974, 2632, 2820, 3290, 3948, 4935, 5640, 6580, 7896, 9870, 13160, 19740, 19777, 39480, 39554, 59331, 79108, 98885, 118662, 138439, 158216, 197770, 237324, 276878, 296655, 395540, 415317, 474648, 553756, 593310, 692195, 791080, 830634, 929519, 1107512, 1186620, 1384390, 1661268, 1859038, 2076585, 2373240, 2768780, 2788557, 3322536, 3718076, 4153170, 4647595, 5537560, 5577114, 6506633, 7436152, 8306340, 9295190, 11154228, 13013266, 13942785, 16612680, 18590380, 19519899, 22308456, 26026532, 27885570, 32533165, 37180760, 39039798, 52053064, 55771140, 65066330, 78079596, 97599495, 111542280, 130132660, 156159192, 195198990, 260265320, 390397980, 780795960]

約数ペア:

[(1, 780795960), (2, 390397980), (3, 260265320), (4, 195198990), (5, 156159192), (6, 130132660), (7, 111542280), (8, 97599495), (10, 78079596), (12, 65066330), (14, 55771140), (15, 52053064), (20, 39039798), (21, 37180760), (24, 32533165), (28, 27885570), (30, 26026532), (35, 22308456), (40, 19519899), (42, 18590380), (47, 16612680), (56, 13942785), (60, 13013266), (70, 11154228), (84, 9295190), (94, 8306340), (105, 7436152), (120, 6506633), (140, 5577114), (141, 5537560), (168, 4647595), (188, 4153170), (210, 3718076), (235, 3322536), (280, 2788557), (282, 2768780), (329, 2373240), (376, 2076585), (420, 1859038), (470, 1661268), (564, 1384390), (658, 1186620), (705, 1107512), (840, 929519), (940, 830634), (987, 791080), (1128, 692195), (1316, 593310), (1410, 553756), (1645, 474648), (1880, 415317), (1974, 395540), (2632, 296655), (2820, 276878), (3290, 237324), (3948, 197770), (4935, 158216), (5640, 138439), (6580, 118662), (7896, 98885), (9870, 79108), (13160, 59331), (19740, 39554), (19777, 39480)]