78713460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{349}}^1$

素因数の和:550

約数の個数: 144

約数和(自身を含む): 275184000

約数和(自身を除く): 196470540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 179, 180, 210, 252, 315, 349, 358, 420, 537, 630, 698, 716, 895, 1047, 1074, 1253, 1260, 1396, 1611, 1745, 1790, 2094, 2148, 2443, 2506, 2685, 3141, 3222, 3490, 3580, 3759, 4188, 4886, 5012, 5235, 5370, 6265, 6282, 6444, 6980, 7329, 7518, 8055, 9772, 10470, 10740, 11277, 12215, 12530, 12564, 14658, 15036, 15705, 16110, 18795, 20940, 21987, 22554, 24430, 25060, 29316, 31410, 32220, 36645, 37590, 43974, 45108, 48860, 56385, 62471, 62820, 73290, 75180, 87948, 109935, 112770, 124942, 146580, 187413, 219870, 225540, 249884, 312355, 374826, 437297, 439740, 562239, 624710, 749652, 874594, 937065, 1124478, 1249420, 1311891, 1749188, 1874130, 2186485, 2248956, 2623782, 2811195, 3748260, 3935673, 4372970, 5247564, 5622390, 6559455, 7871346, 8745940, 11244780, 13118910, 15742692, 19678365, 26237820, 39356730, 78713460]

約数ペア:

[(1, 78713460), (2, 39356730), (3, 26237820), (4, 19678365), (5, 15742692), (6, 13118910), (7, 11244780), (9, 8745940), (10, 7871346), (12, 6559455), (14, 5622390), (15, 5247564), (18, 4372970), (20, 3935673), (21, 3748260), (28, 2811195), (30, 2623782), (35, 2248956), (36, 2186485), (42, 1874130), (45, 1749188), (60, 1311891), (63, 1249420), (70, 1124478), (84, 937065), (90, 874594), (105, 749652), (126, 624710), (140, 562239), (179, 439740), (180, 437297), (210, 374826), (252, 312355), (315, 249884), (349, 225540), (358, 219870), (420, 187413), (537, 146580), (630, 124942), (698, 112770), (716, 109935), (895, 87948), (1047, 75180), (1074, 73290), (1253, 62820), (1260, 62471), (1396, 56385), (1611, 48860), (1745, 45108), (1790, 43974), (2094, 37590), (2148, 36645), (2443, 32220), (2506, 31410), (2685, 29316), (3141, 25060), (3222, 24430), (3490, 22554), (3580, 21987), (3759, 20940), (4188, 18795), (4886, 16110), (5012, 15705), (5235, 15036), (5370, 14658), (6265, 12564), (6282, 12530), (6444, 12215), (6980, 11277), (7329, 10740), (7518, 10470), (8055, 9772)]