207810540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1259}}^1$

素因数の和:1412

約数の個数: 144

約数和(自身を含む): 726485760

約数和(自身を除く): 518675220

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, 131, 140, 180, 210, 252, 262, 315, 393, 420, 524, 630, 655, 786, 917, 1179, 1259, 1260, 1310, 1572, 1834, 1965, 2358, 2518, 2620, 2751, 3668, 3777, 3930, 4585, 4716, 5036, 5502, 5895, 6295, 7554, 7860, 8253, 8813, 9170, 11004, 11331, 11790, 12590, 13755, 15108, 16506, 17626, 18340, 18885, 22662, 23580, 25180, 26439, 27510, 33012, 35252, 37770, 41265, 44065, 45324, 52878, 55020, 56655, 75540, 79317, 82530, 88130, 105756, 113310, 132195, 158634, 164929, 165060, 176260, 226620, 264390, 317268, 329858, 396585, 494787, 528780, 659716, 793170, 824645, 989574, 1154503, 1484361, 1586340, 1649290, 1979148, 2309006, 2473935, 2968722, 3298580, 3463509, 4618012, 4947870, 5772515, 5937444, 6927018, 7421805, 9895740, 10390527, 11545030, 13854036, 14843610, 17317545, 20781054, 23090060, 29687220, 34635090, 41562108, 51952635, 69270180, 103905270, 207810540]

約数ペア:

[(1, 207810540), (2, 103905270), (3, 69270180), (4, 51952635), (5, 41562108), (6, 34635090), (7, 29687220), (9, 23090060), (10, 20781054), (12, 17317545), (14, 14843610), (15, 13854036), (18, 11545030), (20, 10390527), (21, 9895740), (28, 7421805), (30, 6927018), (35, 5937444), (36, 5772515), (42, 4947870), (45, 4618012), (60, 3463509), (63, 3298580), (70, 2968722), (84, 2473935), (90, 2309006), (105, 1979148), (126, 1649290), (131, 1586340), (140, 1484361), (180, 1154503), (210, 989574), (252, 824645), (262, 793170), (315, 659716), (393, 528780), (420, 494787), (524, 396585), (630, 329858), (655, 317268), (786, 264390), (917, 226620), (1179, 176260), (1259, 165060), (1260, 164929), (1310, 158634), (1572, 132195), (1834, 113310), (1965, 105756), (2358, 88130), (2518, 82530), (2620, 79317), (2751, 75540), (3668, 56655), (3777, 55020), (3930, 52878), (4585, 45324), (4716, 44065), (5036, 41265), (5502, 37770), (5895, 35252), (6295, 33012), (7554, 27510), (7860, 26439), (8253, 25180), (8813, 23580), (9170, 22662), (11004, 18885), (11331, 18340), (11790, 17626), (12590, 16506), (13755, 15108)]