64395420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{26177}}^1$

素因数の和:26230

約数の個数: 48

約数和(自身を含む): 184711968

約数和(自身を除く): 120316548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 26177, 52354, 78531, 104708, 130885, 157062, 261770, 314124, 392655, 523540, 785310, 1073257, 1570620, 2146514, 3219771, 4293028, 5366285, 6439542, 10732570, 12879084, 16098855, 21465140, 32197710, 64395420]

約数ペア:

[(1, 64395420), (2, 32197710), (3, 21465140), (4, 16098855), (5, 12879084), (6, 10732570), (10, 6439542), (12, 5366285), (15, 4293028), (20, 3219771), (30, 2146514), (41, 1570620), (60, 1073257), (82, 785310), (123, 523540), (164, 392655), (205, 314124), (246, 261770), (410, 157062), (492, 130885), (615, 104708), (820, 78531), (1230, 52354), (2460, 26177)]