28626360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:717

約数の個数: 128

約数和(自身を含む): 100154880

約数和(自身を除く): 71528520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 53, 56, 60, 70, 84, 105, 106, 120, 140, 159, 168, 210, 212, 265, 280, 318, 371, 420, 424, 530, 636, 643, 742, 795, 840, 1060, 1113, 1272, 1286, 1484, 1590, 1855, 1929, 2120, 2226, 2572, 2968, 3180, 3215, 3710, 3858, 4452, 4501, 5144, 5565, 6360, 6430, 7420, 7716, 8904, 9002, 9645, 11130, 12860, 13503, 14840, 15432, 18004, 19290, 22260, 22505, 25720, 27006, 34079, 36008, 38580, 44520, 45010, 54012, 67515, 68158, 77160, 90020, 102237, 108024, 135030, 136316, 170395, 180040, 204474, 238553, 270060, 272632, 340790, 408948, 477106, 511185, 540120, 681580, 715659, 817896, 954212, 1022370, 1192765, 1363160, 1431318, 1908424, 2044740, 2385530, 2862636, 3578295, 4089480, 4771060, 5725272, 7156590, 9542120, 14313180, 28626360]

約数ペア:

[(1, 28626360), (2, 14313180), (3, 9542120), (4, 7156590), (5, 5725272), (6, 4771060), (7, 4089480), (8, 3578295), (10, 2862636), (12, 2385530), (14, 2044740), (15, 1908424), (20, 1431318), (21, 1363160), (24, 1192765), (28, 1022370), (30, 954212), (35, 817896), (40, 715659), (42, 681580), (53, 540120), (56, 511185), (60, 477106), (70, 408948), (84, 340790), (105, 272632), (106, 270060), (120, 238553), (140, 204474), (159, 180040), (168, 170395), (210, 136316), (212, 135030), (265, 108024), (280, 102237), (318, 90020), (371, 77160), (420, 68158), (424, 67515), (530, 54012), (636, 45010), (643, 44520), (742, 38580), (795, 36008), (840, 34079), (1060, 27006), (1113, 25720), (1272, 22505), (1286, 22260), (1484, 19290), (1590, 18004), (1855, 15432), (1929, 14840), (2120, 13503), (2226, 12860), (2572, 11130), (2968, 9645), (3180, 9002), (3215, 8904), (3710, 7716), (3858, 7420), (4452, 6430), (4501, 6360), (5144, 5565)]