72215860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{4243}}^1$

素因数の和:4312

約数の個数: 48

約数和(自身を含む): 162562176

約数和(自身を除く): 90346316

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 1702, 3404, 4243, 4255, 8486, 8510, 16972, 17020, 21215, 42430, 84860, 97589, 156991, 195178, 313982, 390356, 487945, 627964, 784955, 975890, 1569910, 1951780, 3139820, 3610793, 7221586, 14443172, 18053965, 36107930, 72215860]

約数ペア:

[(1, 72215860), (2, 36107930), (4, 18053965), (5, 14443172), (10, 7221586), (20, 3610793), (23, 3139820), (37, 1951780), (46, 1569910), (74, 975890), (92, 784955), (115, 627964), (148, 487945), (185, 390356), (230, 313982), (370, 195178), (460, 156991), (740, 97589), (851, 84860), (1702, 42430), (3404, 21215), (4243, 17020), (4255, 16972), (8486, 8510)]