478247940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71809}}^1$

素因数の和:71861

約数の個数: 72

約数和(自身を含む): 1489913880

約数和(自身を除く): 1011665940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 71809, 143618, 215427, 287236, 359045, 430854, 646281, 718090, 861708, 1077135, 1292562, 1436180, 2154270, 2585124, 2656933, 3231405, 4308540, 5313866, 6462810, 7970799, 10627732, 12925620, 13284665, 15941598, 23912397, 26569330, 31883196, 39853995, 47824794, 53138660, 79707990, 95649588, 119561985, 159415980, 239123970, 478247940]

約数ペア:

[(1, 478247940), (2, 239123970), (3, 159415980), (4, 119561985), (5, 95649588), (6, 79707990), (9, 53138660), (10, 47824794), (12, 39853995), (15, 31883196), (18, 26569330), (20, 23912397), (30, 15941598), (36, 13284665), (37, 12925620), (45, 10627732), (60, 7970799), (74, 6462810), (90, 5313866), (111, 4308540), (148, 3231405), (180, 2656933), (185, 2585124), (222, 2154270), (333, 1436180), (370, 1292562), (444, 1077135), (555, 861708), (666, 718090), (740, 646281), (1110, 430854), (1332, 359045), (1665, 287236), (2220, 215427), (3330, 143618), (6660, 71809)]