123660320

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{15773}}^1$

素因数の和:15802

約数の個数: 72

約数和(自身を含む): 339866604

約数和(自身を除く): 216206284

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 15773, 31546, 63092, 78865, 110411, 126184, 157730, 220822, 252368, 315460, 441644, 504736, 552055, 630920, 772877, 883288, 1104110, 1261840, 1545754, 1766576, 2208220, 2523680, 3091508, 3533152, 3864385, 4416440, 6183016, 7728770, 8832880, 12366032, 15457540, 17665760, 24732064, 30915080, 61830160, 123660320]

約数ペア:

[(1, 123660320), (2, 61830160), (4, 30915080), (5, 24732064), (7, 17665760), (8, 15457540), (10, 12366032), (14, 8832880), (16, 7728770), (20, 6183016), (28, 4416440), (32, 3864385), (35, 3533152), (40, 3091508), (49, 2523680), (56, 2208220), (70, 1766576), (80, 1545754), (98, 1261840), (112, 1104110), (140, 883288), (160, 772877), (196, 630920), (224, 552055), (245, 504736), (280, 441644), (392, 315460), (490, 252368), (560, 220822), (784, 157730), (980, 126184), (1120, 110411), (1568, 78865), (1960, 63092), (3920, 31546), (7840, 15773)]