65409720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1373}}^1$

素因数の和:1784

約数の個数: 64

約数和(自身を含む): 196866720

約数和(自身を除く): 131457000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 397, 794, 1191, 1373, 1588, 1985, 2382, 2746, 3176, 3970, 4119, 4764, 5492, 5955, 6865, 7940, 8238, 9528, 10984, 11910, 13730, 15880, 16476, 20595, 23820, 27460, 32952, 41190, 47640, 54920, 82380, 164760, 545081, 1090162, 1635243, 2180324, 2725405, 3270486, 4360648, 5450810, 6540972, 8176215, 10901620, 13081944, 16352430, 21803240, 32704860, 65409720]

約数ペア:

[(1, 65409720), (2, 32704860), (3, 21803240), (4, 16352430), (5, 13081944), (6, 10901620), (8, 8176215), (10, 6540972), (12, 5450810), (15, 4360648), (20, 3270486), (24, 2725405), (30, 2180324), (40, 1635243), (60, 1090162), (120, 545081), (397, 164760), (794, 82380), (1191, 54920), (1373, 47640), (1588, 41190), (1985, 32952), (2382, 27460), (2746, 23820), (3176, 20595), (3970, 16476), (4119, 15880), (4764, 13730), (5492, 11910), (5955, 10984), (6865, 9528), (7940, 8238)]