81542460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{18617}}^1$

素因数の和:18702

約数の個数: 48

約数和(自身を含む): 231458976

約数和(自身を除く): 149916516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 18617, 37234, 55851, 74468, 93085, 111702, 186170, 223404, 279255, 372340, 558510, 1117020, 1359041, 2718082, 4077123, 5436164, 6795205, 8154246, 13590410, 16308492, 20385615, 27180820, 40771230, 81542460]

約数ペア:

[(1, 81542460), (2, 40771230), (3, 27180820), (4, 20385615), (5, 16308492), (6, 13590410), (10, 8154246), (12, 6795205), (15, 5436164), (20, 4077123), (30, 2718082), (60, 1359041), (73, 1117020), (146, 558510), (219, 372340), (292, 279255), (365, 223404), (438, 186170), (730, 111702), (876, 93085), (1095, 74468), (1460, 55851), (2190, 37234), (4380, 18617)]