78299940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2017}}^1$

素因数の和:2676

約数の個数: 48

約数和(自身を含む): 219687552

約数和(自身を除く): 141387612

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 647, 1294, 1941, 2017, 2588, 3235, 3882, 4034, 6051, 6470, 7764, 8068, 9705, 10085, 12102, 12940, 19410, 20170, 24204, 30255, 38820, 40340, 60510, 121020, 1304999, 2609998, 3914997, 5219996, 6524995, 7829994, 13049990, 15659988, 19574985, 26099980, 39149970, 78299940]

約数ペア:

[(1, 78299940), (2, 39149970), (3, 26099980), (4, 19574985), (5, 15659988), (6, 13049990), (10, 7829994), (12, 6524995), (15, 5219996), (20, 3914997), (30, 2609998), (60, 1304999), (647, 121020), (1294, 60510), (1941, 40340), (2017, 38820), (2588, 30255), (3235, 24204), (3882, 20170), (4034, 19410), (6051, 12940), (6470, 12102), (7764, 10085), (8068, 9705)]