215524920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{138157}}^1$

素因数の和:138184

約数の個数: 64

約数和(自身を含む): 696316320

約数和(自身を除く): 480791400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 138157, 276314, 414471, 552628, 690785, 828942, 1105256, 1381570, 1657884, 1796041, 2072355, 2763140, 3315768, 3592082, 4144710, 5388123, 5526280, 7184164, 8289420, 8980205, 10776246, 14368328, 16578840, 17960410, 21552492, 26940615, 35920820, 43104984, 53881230, 71841640, 107762460, 215524920]

約数ペア:

[(1, 215524920), (2, 107762460), (3, 71841640), (4, 53881230), (5, 43104984), (6, 35920820), (8, 26940615), (10, 21552492), (12, 17960410), (13, 16578840), (15, 14368328), (20, 10776246), (24, 8980205), (26, 8289420), (30, 7184164), (39, 5526280), (40, 5388123), (52, 4144710), (60, 3592082), (65, 3315768), (78, 2763140), (104, 2072355), (120, 1796041), (130, 1657884), (156, 1381570), (195, 1105256), (260, 828942), (312, 690785), (390, 552628), (520, 414471), (780, 276314), (1560, 138157)]