2768920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 128

約数和(自身を含む): 8294400

約数和(自身を除く): 5525480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 29, 31, 35, 40, 44, 55, 56, 58, 62, 70, 77, 88, 110, 116, 124, 140, 145, 154, 155, 203, 217, 220, 232, 248, 280, 290, 308, 310, 319, 341, 385, 406, 434, 440, 580, 616, 620, 638, 682, 770, 812, 868, 899, 1015, 1085, 1160, 1240, 1276, 1364, 1540, 1595, 1624, 1705, 1736, 1798, 2030, 2170, 2233, 2387, 2552, 2728, 3080, 3190, 3410, 3596, 4060, 4340, 4466, 4495, 4774, 6293, 6380, 6820, 7192, 8120, 8680, 8932, 8990, 9548, 9889, 11165, 11935, 12586, 12760, 13640, 17864, 17980, 19096, 19778, 22330, 23870, 25172, 31465, 35960, 39556, 44660, 47740, 49445, 50344, 62930, 69223, 79112, 89320, 95480, 98890, 125860, 138446, 197780, 251720, 276892, 346115, 395560, 553784, 692230, 1384460, 2768920]

約数ペア:

[(1, 2768920), (2, 1384460), (4, 692230), (5, 553784), (7, 395560), (8, 346115), (10, 276892), (11, 251720), (14, 197780), (20, 138446), (22, 125860), (28, 98890), (29, 95480), (31, 89320), (35, 79112), (40, 69223), (44, 62930), (55, 50344), (56, 49445), (58, 47740), (62, 44660), (70, 39556), (77, 35960), (88, 31465), (110, 25172), (116, 23870), (124, 22330), (140, 19778), (145, 19096), (154, 17980), (155, 17864), (203, 13640), (217, 12760), (220, 12586), (232, 11935), (248, 11165), (280, 9889), (290, 9548), (308, 8990), (310, 8932), (319, 8680), (341, 8120), (385, 7192), (406, 6820), (434, 6380), (440, 6293), (580, 4774), (616, 4495), (620, 4466), (638, 4340), (682, 4060), (770, 3596), (812, 3410), (868, 3190), (899, 3080), (1015, 2728), (1085, 2552), (1160, 2387), (1240, 2233), (1276, 2170), (1364, 2030), (1540, 1798), (1595, 1736), (1624, 1705)]