78317820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{20719}}^1$

素因数の和:20744

約数の個数: 96

約数和(自身を含む): 278476800

約数和(自身を除く): 200158980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 20719, 41438, 62157, 82876, 103595, 124314, 145033, 186471, 207190, 248628, 290066, 310785, 372942, 414380, 435099, 559413, 580132, 621570, 725165, 745884, 870198, 932355, 1118826, 1243140, 1305297, 1450330, 1740396, 1864710, 2175495, 2237652, 2610594, 2797065, 2900660, 3729420, 3915891, 4350990, 5221188, 5594130, 6526485, 7831782, 8701980, 11188260, 13052970, 15663564, 19579455, 26105940, 39158910, 78317820]

約数ペア:

[(1, 78317820), (2, 39158910), (3, 26105940), (4, 19579455), (5, 15663564), (6, 13052970), (7, 11188260), (9, 8701980), (10, 7831782), (12, 6526485), (14, 5594130), (15, 5221188), (18, 4350990), (20, 3915891), (21, 3729420), (27, 2900660), (28, 2797065), (30, 2610594), (35, 2237652), (36, 2175495), (42, 1864710), (45, 1740396), (54, 1450330), (60, 1305297), (63, 1243140), (70, 1118826), (84, 932355), (90, 870198), (105, 745884), (108, 725165), (126, 621570), (135, 580132), (140, 559413), (180, 435099), (189, 414380), (210, 372942), (252, 310785), (270, 290066), (315, 248628), (378, 207190), (420, 186471), (540, 145033), (630, 124314), (756, 103595), (945, 82876), (1260, 62157), (1890, 41438), (3780, 20719)]