30482840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2111}}^1$

素因数の和:2160

約数の個数: 48

約数和(自身を含む): 72420480

約数和(自身を除く): 41937640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2111, 2888, 3610, 4222, 7220, 8444, 10555, 14440, 16888, 21110, 40109, 42220, 80218, 84440, 160436, 200545, 320872, 401090, 762071, 802180, 1524142, 1604360, 3048284, 3810355, 6096568, 7620710, 15241420, 30482840]

約数ペア:

[(1, 30482840), (2, 15241420), (4, 7620710), (5, 6096568), (8, 3810355), (10, 3048284), (19, 1604360), (20, 1524142), (38, 802180), (40, 762071), (76, 401090), (95, 320872), (152, 200545), (190, 160436), (361, 84440), (380, 80218), (722, 42220), (760, 40109), (1444, 21110), (1805, 16888), (2111, 14440), (2888, 10555), (3610, 8444), (4222, 7220)]