215340420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{27397}}^1$

素因数の和:27540

約数の個数: 48

約数和(自身を含む): 607578048

約数和(自身を除く): 392237628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 7860, 27397, 54794, 82191, 109588, 136985, 164382, 273970, 328764, 410955, 547940, 821910, 1643820, 3589007, 7178014, 10767021, 14356028, 17945035, 21534042, 35890070, 43068084, 53835105, 71780140, 107670210, 215340420]

約数ペア:

[(1, 215340420), (2, 107670210), (3, 71780140), (4, 53835105), (5, 43068084), (6, 35890070), (10, 21534042), (12, 17945035), (15, 14356028), (20, 10767021), (30, 7178014), (60, 3589007), (131, 1643820), (262, 821910), (393, 547940), (524, 410955), (655, 328764), (786, 273970), (1310, 164382), (1572, 136985), (1965, 109588), (2620, 82191), (3930, 54794), (7860, 27397)]