30075920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1249}}^1$

素因数の和:1312

約数の個数: 80

約数和(自身を含む): 81840000

約数和(自身を除く): 51764080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1204, 1249, 1505, 1720, 2408, 2498, 3010, 3440, 4816, 4996, 6020, 6245, 8743, 9992, 12040, 12490, 17486, 19984, 24080, 24980, 34972, 43715, 49960, 53707, 69944, 87430, 99920, 107414, 139888, 174860, 214828, 268535, 349720, 375949, 429656, 537070, 699440, 751898, 859312, 1074140, 1503796, 1879745, 2148280, 3007592, 3759490, 4296560, 6015184, 7518980, 15037960, 30075920]

約数ペア:

[(1, 30075920), (2, 15037960), (4, 7518980), (5, 6015184), (7, 4296560), (8, 3759490), (10, 3007592), (14, 2148280), (16, 1879745), (20, 1503796), (28, 1074140), (35, 859312), (40, 751898), (43, 699440), (56, 537070), (70, 429656), (80, 375949), (86, 349720), (112, 268535), (140, 214828), (172, 174860), (215, 139888), (280, 107414), (301, 99920), (344, 87430), (430, 69944), (560, 53707), (602, 49960), (688, 43715), (860, 34972), (1204, 24980), (1249, 24080), (1505, 19984), (1720, 17486), (2408, 12490), (2498, 12040), (3010, 9992), (3440, 8743), (4816, 6245), (4996, 6020)]