30449560

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^2\times {\mathrm{271}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 70086240

約数和(自身を除く): 39636680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 271, 424, 530, 542, 1060, 1084, 1355, 2120, 2168, 2710, 2809, 5420, 5618, 10840, 11236, 14045, 14363, 22472, 28090, 28726, 56180, 57452, 71815, 112360, 114904, 143630, 287260, 574520, 761239, 1522478, 3044956, 3806195, 6089912, 7612390, 15224780, 30449560]

約数ペア:

[(1, 30449560), (2, 15224780), (4, 7612390), (5, 6089912), (8, 3806195), (10, 3044956), (20, 1522478), (40, 761239), (53, 574520), (106, 287260), (212, 143630), (265, 114904), (271, 112360), (424, 71815), (530, 57452), (542, 56180), (1060, 28726), (1084, 28090), (1355, 22472), (2120, 14363), (2168, 14045), (2710, 11236), (2809, 10840), (5420, 5618)]