28390920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2297}}^1$

素因数の和:2414

約数の個数: 64

約数和(自身を含む): 86037120

約数和(自身を除く): 57646200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1545, 2060, 2297, 2472, 3090, 4120, 4594, 6180, 6891, 9188, 11485, 12360, 13782, 18376, 22970, 27564, 34455, 45940, 55128, 68910, 91880, 137820, 236591, 275640, 473182, 709773, 946364, 1182955, 1419546, 1892728, 2365910, 2839092, 3548865, 4731820, 5678184, 7097730, 9463640, 14195460, 28390920]

約数ペア:

[(1, 28390920), (2, 14195460), (3, 9463640), (4, 7097730), (5, 5678184), (6, 4731820), (8, 3548865), (10, 2839092), (12, 2365910), (15, 1892728), (20, 1419546), (24, 1182955), (30, 946364), (40, 709773), (60, 473182), (103, 275640), (120, 236591), (206, 137820), (309, 91880), (412, 68910), (515, 55128), (618, 45940), (824, 34455), (1030, 27564), (1236, 22970), (1545, 18376), (2060, 13782), (2297, 12360), (2472, 11485), (3090, 9188), (4120, 6891), (4594, 6180)]