30666220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1493}}^1$

素因数の和:1594

約数の個数: 48

約数和(自身を含む): 70277760

約数和(自身を除く): 39611540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1493, 1580, 2054, 2986, 4108, 5135, 5972, 7465, 10270, 14930, 19409, 20540, 29860, 38818, 77636, 97045, 117947, 194090, 235894, 388180, 471788, 589735, 1179470, 1533311, 2358940, 3066622, 6133244, 7666555, 15333110, 30666220]

約数ペア:

[(1, 30666220), (2, 15333110), (4, 7666555), (5, 6133244), (10, 3066622), (13, 2358940), (20, 1533311), (26, 1179470), (52, 589735), (65, 471788), (79, 388180), (130, 235894), (158, 194090), (260, 117947), (316, 97045), (395, 77636), (790, 38818), (1027, 29860), (1493, 20540), (1580, 19409), (2054, 14930), (2986, 10270), (4108, 7465), (5135, 5972)]