78900660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1931}}^1$

素因数の和:2173

約数の個数: 72

約数和(自身を含む): 240510816

約数和(自身を除く): 161610156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 227, 454, 681, 908, 1135, 1362, 1931, 2043, 2270, 2724, 3405, 3862, 4086, 4540, 5793, 6810, 7724, 8172, 9655, 10215, 11586, 13620, 17379, 19310, 20430, 23172, 28965, 34758, 38620, 40860, 57930, 69516, 86895, 115860, 173790, 347580, 438337, 876674, 1315011, 1753348, 2191685, 2630022, 3945033, 4383370, 5260044, 6575055, 7890066, 8766740, 13150110, 15780132, 19725165, 26300220, 39450330, 78900660]

約数ペア:

[(1, 78900660), (2, 39450330), (3, 26300220), (4, 19725165), (5, 15780132), (6, 13150110), (9, 8766740), (10, 7890066), (12, 6575055), (15, 5260044), (18, 4383370), (20, 3945033), (30, 2630022), (36, 2191685), (45, 1753348), (60, 1315011), (90, 876674), (180, 438337), (227, 347580), (454, 173790), (681, 115860), (908, 86895), (1135, 69516), (1362, 57930), (1931, 40860), (2043, 38620), (2270, 34758), (2724, 28965), (3405, 23172), (3862, 20430), (4086, 19310), (4540, 17379), (5793, 13620), (6810, 11586), (7724, 10215), (8172, 9655)]