20171302920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{218021}}^1$

素因数の和:218295

約数の個数: 96

約数和(自身を含む): 65812120920

約数和(自身を除く): 45640818000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 257, 360, 514, 771, 1028, 1285, 1542, 2056, 2313, 2570, 3084, 3855, 4626, 5140, 6168, 7710, 9252, 10280, 11565, 15420, 18504, 23130, 30840, 46260, 92520, 218021, 436042, 654063, 872084, 1090105, 1308126, 1744168, 1962189, 2180210, 2616252, 3270315, 3924378, 4360420, 5232504, 6540630, 7848756, 8720840, 9810945, 13081260, 15697512, 19621890, 26162520, 39243780, 56031397, 78487560, 112062794, 168094191, 224125588, 280156985, 336188382, 448251176, 504282573, 560313970, 672376764, 840470955, 1008565146, 1120627940, 1344753528, 1680941910, 2017130292, 2241255880, 2521412865, 3361883820, 4034260584, 5042825730, 6723767640, 10085651460, 20171302920]

約数ペア:

[(1, 20171302920), (2, 10085651460), (3, 6723767640), (4, 5042825730), (5, 4034260584), (6, 3361883820), (8, 2521412865), (9, 2241255880), (10, 2017130292), (12, 1680941910), (15, 1344753528), (18, 1120627940), (20, 1008565146), (24, 840470955), (30, 672376764), (36, 560313970), (40, 504282573), (45, 448251176), (60, 336188382), (72, 280156985), (90, 224125588), (120, 168094191), (180, 112062794), (257, 78487560), (360, 56031397), (514, 39243780), (771, 26162520), (1028, 19621890), (1285, 15697512), (1542, 13081260), (2056, 9810945), (2313, 8720840), (2570, 7848756), (3084, 6540630), (3855, 5232504), (4626, 4360420), (5140, 3924378), (6168, 3270315), (7710, 2616252), (9252, 2180210), (10280, 1962189), (11565, 1744168), (15420, 1308126), (18504, 1090105), (23130, 872084), (30840, 654063), (46260, 436042), (92520, 218021)]