79581880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2137}}^1$

素因数の和:2181

約数の個数: 96

約数和(自身を含む): 219358800

約数和(自身を除く): 139776920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 133, 140, 152, 190, 196, 245, 266, 280, 380, 392, 490, 532, 665, 760, 931, 980, 1064, 1330, 1862, 1960, 2137, 2660, 3724, 4274, 4655, 5320, 7448, 8548, 9310, 10685, 14959, 17096, 18620, 21370, 29918, 37240, 40603, 42740, 59836, 74795, 81206, 85480, 104713, 119672, 149590, 162412, 203015, 209426, 284221, 299180, 324824, 406030, 418852, 523565, 568442, 598360, 812060, 837704, 1047130, 1136884, 1421105, 1624120, 1989547, 2094260, 2273768, 2842210, 3979094, 4188520, 5684420, 7958188, 9947735, 11368840, 15916376, 19895470, 39790940, 79581880]

約数ペア:

[(1, 79581880), (2, 39790940), (4, 19895470), (5, 15916376), (7, 11368840), (8, 9947735), (10, 7958188), (14, 5684420), (19, 4188520), (20, 3979094), (28, 2842210), (35, 2273768), (38, 2094260), (40, 1989547), (49, 1624120), (56, 1421105), (70, 1136884), (76, 1047130), (95, 837704), (98, 812060), (133, 598360), (140, 568442), (152, 523565), (190, 418852), (196, 406030), (245, 324824), (266, 299180), (280, 284221), (380, 209426), (392, 203015), (490, 162412), (532, 149590), (665, 119672), (760, 104713), (931, 85480), (980, 81206), (1064, 74795), (1330, 59836), (1862, 42740), (1960, 40603), (2137, 37240), (2660, 29918), (3724, 21370), (4274, 18620), (4655, 17096), (5320, 14959), (7448, 10685), (8548, 9310)]