1280451480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{138577}}^1$

素因数の和:138609

約数の個数: 128

約数和(自身を含む): 4789255680

約数和(自身を除く): 3508804200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 4620, 9240, 138577, 277154, 415731, 554308, 692885, 831462, 970039, 1108616, 1385770, 1524347, 1662924, 1940078, 2078655, 2771540, 2910117, 3048694, 3325848, 3880156, 4157310, 4573041, 4850195, 5543080, 5820234, 6097388, 7621735, 7760312, 8314620, 9146082, 9700390, 10670429, 11640468, 12194776, 14550585, 15243470, 16629240, 18292164, 19400780, 21340858, 22865205, 23280936, 29101170, 30486940, 32011287, 36584328, 38801560, 42681716, 45730410, 53352145, 58202340, 60973880, 64022574, 85363432, 91460820, 106704290, 116404680, 128045148, 160056435, 182921640, 213408580, 256090296, 320112870, 426817160, 640225740, 1280451480]

約数ペア:

[(1, 1280451480), (2, 640225740), (3, 426817160), (4, 320112870), (5, 256090296), (6, 213408580), (7, 182921640), (8, 160056435), (10, 128045148), (11, 116404680), (12, 106704290), (14, 91460820), (15, 85363432), (20, 64022574), (21, 60973880), (22, 58202340), (24, 53352145), (28, 45730410), (30, 42681716), (33, 38801560), (35, 36584328), (40, 32011287), (42, 30486940), (44, 29101170), (55, 23280936), (56, 22865205), (60, 21340858), (66, 19400780), (70, 18292164), (77, 16629240), (84, 15243470), (88, 14550585), (105, 12194776), (110, 11640468), (120, 10670429), (132, 9700390), (140, 9146082), (154, 8314620), (165, 7760312), (168, 7621735), (210, 6097388), (220, 5820234), (231, 5543080), (264, 4850195), (280, 4573041), (308, 4157310), (330, 3880156), (385, 3325848), (420, 3048694), (440, 2910117), (462, 2771540), (616, 2078655), (660, 1940078), (770, 1662924), (840, 1524347), (924, 1385770), (1155, 1108616), (1320, 970039), (1540, 831462), (1848, 692885), (2310, 554308), (3080, 415731), (4620, 277154), (9240, 138577)]