28246260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{617}}^1$

素因数の和:745

約数の個数: 96

約数和(自身を含む): 91365120

約数和(自身を除く): 63118860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 109, 140, 210, 218, 327, 420, 436, 545, 617, 654, 763, 1090, 1234, 1308, 1526, 1635, 1851, 2180, 2289, 2468, 3052, 3085, 3270, 3702, 3815, 4319, 4578, 6170, 6540, 7404, 7630, 8638, 9156, 9255, 11445, 12340, 12957, 15260, 17276, 18510, 21595, 22890, 25914, 37020, 43190, 45780, 51828, 64785, 67253, 86380, 129570, 134506, 201759, 259140, 269012, 336265, 403518, 470771, 672530, 807036, 941542, 1008795, 1345060, 1412313, 1883084, 2017590, 2353855, 2824626, 4035180, 4707710, 5649252, 7061565, 9415420, 14123130, 28246260]

約数ペア:

[(1, 28246260), (2, 14123130), (3, 9415420), (4, 7061565), (5, 5649252), (6, 4707710), (7, 4035180), (10, 2824626), (12, 2353855), (14, 2017590), (15, 1883084), (20, 1412313), (21, 1345060), (28, 1008795), (30, 941542), (35, 807036), (42, 672530), (60, 470771), (70, 403518), (84, 336265), (105, 269012), (109, 259140), (140, 201759), (210, 134506), (218, 129570), (327, 86380), (420, 67253), (436, 64785), (545, 51828), (617, 45780), (654, 43190), (763, 37020), (1090, 25914), (1234, 22890), (1308, 21595), (1526, 18510), (1635, 17276), (1851, 15260), (2180, 12957), (2289, 12340), (2468, 11445), (3052, 9255), (3085, 9156), (3270, 8638), (3702, 7630), (3815, 7404), (4319, 6540), (4578, 6170)]