90472725880

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1\times {\mathrm{61871}}^1$

素因数の和:62284

約数の個数: 64

約数和(自身を含む): 205811020800

約数和(自身を除く): 115338294920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 263, 278, 526, 556, 695, 1052, 1112, 1315, 1390, 2104, 2630, 2780, 5260, 5560, 10520, 36557, 61871, 73114, 123742, 146228, 182785, 247484, 292456, 309355, 365570, 494968, 618710, 731140, 1237420, 1462280, 2474840, 8600069, 16272073, 17200138, 32544146, 34400276, 43000345, 65088292, 68800552, 81360365, 86000690, 130176584, 162720730, 172001380, 325441460, 344002760, 650882920, 2261818147, 4523636294, 9047272588, 11309090735, 18094545176, 22618181470, 45236362940, 90472725880]

約数ペア:

[(1, 90472725880), (2, 45236362940), (4, 22618181470), (5, 18094545176), (8, 11309090735), (10, 9047272588), (20, 4523636294), (40, 2261818147), (139, 650882920), (263, 344002760), (278, 325441460), (526, 172001380), (556, 162720730), (695, 130176584), (1052, 86000690), (1112, 81360365), (1315, 68800552), (1390, 65088292), (2104, 43000345), (2630, 34400276), (2780, 32544146), (5260, 17200138), (5560, 16272073), (10520, 8600069), (36557, 2474840), (61871, 1462280), (73114, 1237420), (123742, 731140), (146228, 618710), (182785, 494968), (247484, 365570), (292456, 309355)]