638233080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{13397}}^1$

素因数の和:13808

約数の個数: 64

約数和(自身を含む): 1919665440

約数和(自身を除く): 1281432360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 397, 794, 1191, 1588, 1985, 2382, 3176, 3970, 4764, 5955, 7940, 9528, 11910, 13397, 15880, 23820, 26794, 40191, 47640, 53588, 66985, 80382, 107176, 133970, 160764, 200955, 267940, 321528, 401910, 535880, 803820, 1607640, 5318609, 10637218, 15955827, 21274436, 26593045, 31911654, 42548872, 53186090, 63823308, 79779135, 106372180, 127646616, 159558270, 212744360, 319116540, 638233080]

約数ペア:

[(1, 638233080), (2, 319116540), (3, 212744360), (4, 159558270), (5, 127646616), (6, 106372180), (8, 79779135), (10, 63823308), (12, 53186090), (15, 42548872), (20, 31911654), (24, 26593045), (30, 21274436), (40, 15955827), (60, 10637218), (120, 5318609), (397, 1607640), (794, 803820), (1191, 535880), (1588, 401910), (1985, 321528), (2382, 267940), (3176, 200955), (3970, 160764), (4764, 133970), (5955, 107176), (7940, 80382), (9528, 66985), (11910, 53588), (13397, 47640), (15880, 40191), (23820, 26794)]