207830280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{617}}^1$

素因数の和:1039

約数の個数: 128

約数和(自身を含む): 715495680

約数和(自身を除く): 507665400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 401, 420, 617, 802, 840, 1203, 1234, 1604, 1851, 2005, 2406, 2468, 2807, 3085, 3208, 3702, 4010, 4319, 4812, 4936, 5614, 6015, 6170, 7404, 8020, 8421, 8638, 9255, 9624, 11228, 12030, 12340, 12957, 14035, 14808, 16040, 16842, 17276, 18510, 21595, 22456, 24060, 24680, 25914, 28070, 33684, 34552, 37020, 42105, 43190, 48120, 51828, 56140, 64785, 67368, 74040, 84210, 86380, 103656, 112280, 129570, 168420, 172760, 247417, 259140, 336840, 494834, 518280, 742251, 989668, 1237085, 1484502, 1731919, 1979336, 2474170, 2969004, 3463838, 3711255, 4948340, 5195757, 5938008, 6927676, 7422510, 8659595, 9896680, 10391514, 13855352, 14845020, 17319190, 20783028, 25978785, 29690040, 34638380, 41566056, 51957570, 69276760, 103915140, 207830280]

約数ペア:

[(1, 207830280), (2, 103915140), (3, 69276760), (4, 51957570), (5, 41566056), (6, 34638380), (7, 29690040), (8, 25978785), (10, 20783028), (12, 17319190), (14, 14845020), (15, 13855352), (20, 10391514), (21, 9896680), (24, 8659595), (28, 7422510), (30, 6927676), (35, 5938008), (40, 5195757), (42, 4948340), (56, 3711255), (60, 3463838), (70, 2969004), (84, 2474170), (105, 1979336), (120, 1731919), (140, 1484502), (168, 1237085), (210, 989668), (280, 742251), (401, 518280), (420, 494834), (617, 336840), (802, 259140), (840, 247417), (1203, 172760), (1234, 168420), (1604, 129570), (1851, 112280), (2005, 103656), (2406, 86380), (2468, 84210), (2807, 74040), (3085, 67368), (3208, 64785), (3702, 56140), (4010, 51828), (4319, 48120), (4812, 43190), (4936, 42105), (5614, 37020), (6015, 34552), (6170, 33684), (7404, 28070), (8020, 25914), (8421, 24680), (8638, 24060), (9255, 22456), (9624, 21595), (11228, 18510), (12030, 17276), (12340, 16842), (12957, 16040), (14035, 14808)]