78713520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2089}}^1$

素因数の和:2262

約数の個数: 80

約数和(自身を含む): 245683680

約数和(自身を除く): 166970160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 157, 240, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2089, 2355, 2512, 3140, 3768, 4178, 4710, 6267, 6280, 7536, 8356, 9420, 10445, 12534, 12560, 16712, 18840, 20890, 25068, 31335, 33424, 37680, 41780, 50136, 62670, 83560, 100272, 125340, 167120, 250680, 327973, 501360, 655946, 983919, 1311892, 1639865, 1967838, 2623784, 3279730, 3935676, 4919595, 5247568, 6559460, 7871352, 9839190, 13118920, 15742704, 19678380, 26237840, 39356760, 78713520]

約数ペア:

[(1, 78713520), (2, 39356760), (3, 26237840), (4, 19678380), (5, 15742704), (6, 13118920), (8, 9839190), (10, 7871352), (12, 6559460), (15, 5247568), (16, 4919595), (20, 3935676), (24, 3279730), (30, 2623784), (40, 1967838), (48, 1639865), (60, 1311892), (80, 983919), (120, 655946), (157, 501360), (240, 327973), (314, 250680), (471, 167120), (628, 125340), (785, 100272), (942, 83560), (1256, 62670), (1570, 50136), (1884, 41780), (2089, 37680), (2355, 33424), (2512, 31335), (3140, 25068), (3768, 20890), (4178, 18840), (4710, 16712), (6267, 12560), (6280, 12534), (7536, 10445), (8356, 9420)]