30216760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{347}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 78174720

約数和(自身を除く): 47957960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 311, 347, 622, 694, 1244, 1388, 1555, 1735, 2177, 2429, 2488, 2776, 3110, 3470, 4354, 4858, 6220, 6940, 8708, 9716, 10885, 12145, 12440, 13880, 17416, 19432, 21770, 24290, 43540, 48580, 87080, 97160, 107917, 215834, 431668, 539585, 755419, 863336, 1079170, 1510838, 2158340, 3021676, 3777095, 4316680, 6043352, 7554190, 15108380, 30216760]

約数ペア:

[(1, 30216760), (2, 15108380), (4, 7554190), (5, 6043352), (7, 4316680), (8, 3777095), (10, 3021676), (14, 2158340), (20, 1510838), (28, 1079170), (35, 863336), (40, 755419), (56, 539585), (70, 431668), (140, 215834), (280, 107917), (311, 97160), (347, 87080), (622, 48580), (694, 43540), (1244, 24290), (1388, 21770), (1555, 19432), (1735, 17416), (2177, 13880), (2429, 12440), (2488, 12145), (2776, 10885), (3110, 9716), (3470, 8708), (4354, 6940), (4858, 6220)]