78119940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{16481}}^1$

素因数の和:16572

約数の個数: 48

約数和(自身を含む): 221518080

約数和(自身を除く): 143398140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4740, 16481, 32962, 49443, 65924, 82405, 98886, 164810, 197772, 247215, 329620, 494430, 988860, 1301999, 2603998, 3905997, 5207996, 6509995, 7811994, 13019990, 15623988, 19529985, 26039980, 39059970, 78119940]

約数ペア:

[(1, 78119940), (2, 39059970), (3, 26039980), (4, 19529985), (5, 15623988), (6, 13019990), (10, 7811994), (12, 6509995), (15, 5207996), (20, 3905997), (30, 2603998), (60, 1301999), (79, 988860), (158, 494430), (237, 329620), (316, 247215), (395, 197772), (474, 164810), (790, 98886), (948, 82405), (1185, 65924), (1580, 49443), (2370, 32962), (4740, 16481)]