30247980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{72019}}^1$

素因数の和:72038

約数の個数: 48

約数和(自身を含む): 96794880

約数和(自身を除く): 66546900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 72019, 144038, 216057, 288076, 360095, 432114, 504133, 720190, 864228, 1008266, 1080285, 1440380, 1512399, 2016532, 2160570, 2520665, 3024798, 4321140, 5041330, 6049596, 7561995, 10082660, 15123990, 30247980]

約数ペア:

[(1, 30247980), (2, 15123990), (3, 10082660), (4, 7561995), (5, 6049596), (6, 5041330), (7, 4321140), (10, 3024798), (12, 2520665), (14, 2160570), (15, 2016532), (20, 1512399), (21, 1440380), (28, 1080285), (30, 1008266), (35, 864228), (42, 720190), (60, 504133), (70, 432114), (84, 360095), (105, 288076), (140, 216057), (210, 144038), (420, 72019)]