2005080

素因数分解:

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

素因数の和:70

約数の個数: 192

約数和(自身を含む): 7879680

約数和(自身を除く): 5874600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 31, 33, 35, 40, 42, 44, 49, 55, 56, 60, 62, 66, 70, 77, 84, 88, 93, 98, 105, 110, 120, 124, 132, 140, 147, 154, 155, 165, 168, 186, 196, 210, 217, 220, 231, 245, 248, 264, 280, 294, 308, 310, 330, 341, 372, 385, 392, 420, 434, 440, 462, 465, 490, 539, 588, 616, 620, 651, 660, 682, 735, 744, 770, 840, 868, 924, 930, 980, 1023, 1078, 1085, 1155, 1176, 1240, 1302, 1320, 1364, 1470, 1519, 1540, 1617, 1705, 1736, 1848, 1860, 1960, 2046, 2156, 2170, 2310, 2387, 2604, 2695, 2728, 2940, 3038, 3080, 3234, 3255, 3410, 3720, 4092, 4312, 4340, 4557, 4620, 4774, 5115, 5208, 5390, 5880, 6076, 6468, 6510, 6820, 7161, 7595, 8085, 8184, 8680, 9114, 9240, 9548, 10230, 10780, 11935, 12152, 12936, 13020, 13640, 14322, 15190, 16170, 16709, 18228, 19096, 20460, 21560, 22785, 23870, 26040, 28644, 30380, 32340, 33418, 35805, 36456, 40920, 45570, 47740, 50127, 57288, 60760, 64680, 66836, 71610, 83545, 91140, 95480, 100254, 133672, 143220, 167090, 182280, 200508, 250635, 286440, 334180, 401016, 501270, 668360, 1002540, 2005080]

約数ペア:

[(1, 2005080), (2, 1002540), (3, 668360), (4, 501270), (5, 401016), (6, 334180), (7, 286440), (8, 250635), (10, 200508), (11, 182280), (12, 167090), (14, 143220), (15, 133672), (20, 100254), (21, 95480), (22, 91140), (24, 83545), (28, 71610), (30, 66836), (31, 64680), (33, 60760), (35, 57288), (40, 50127), (42, 47740), (44, 45570), (49, 40920), (55, 36456), (56, 35805), (60, 33418), (62, 32340), (66, 30380), (70, 28644), (77, 26040), (84, 23870), (88, 22785), (93, 21560), (98, 20460), (105, 19096), (110, 18228), (120, 16709), (124, 16170), (132, 15190), (140, 14322), (147, 13640), (154, 13020), (155, 12936), (165, 12152), (168, 11935), (186, 10780), (196, 10230), (210, 9548), (217, 9240), (220, 9114), (231, 8680), (245, 8184), (248, 8085), (264, 7595), (280, 7161), (294, 6820), (308, 6510), (310, 6468), (330, 6076), (341, 5880), (372, 5390), (385, 5208), (392, 5115), (420, 4774), (434, 4620), (440, 4557), (462, 4340), (465, 4312), (490, 4092), (539, 3720), (588, 3410), (616, 3255), (620, 3234), (651, 3080), (660, 3038), (682, 2940), (735, 2728), (744, 2695), (770, 2604), (840, 2387), (868, 2310), (924, 2170), (930, 2156), (980, 2046), (1023, 1960), (1078, 1860), (1085, 1848), (1155, 1736), (1176, 1705), (1240, 1617), (1302, 1540), (1320, 1519), (1364, 1470)]