28312440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18149}}^1$

素因数の和:18176

約数の個数: 64

約数和(自身を含む): 91476000

約数和(自身を除く): 63163560

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, 18149, 36298, 54447, 72596, 90745, 108894, 145192, 181490, 217788, 235937, 272235, 362980, 435576, 471874, 544470, 707811, 725960, 943748, 1088940, 1179685, 1415622, 1887496, 2177880, 2359370, 2831244, 3539055, 4718740, 5662488, 7078110, 9437480, 14156220, 28312440]

約数ペア:

[(1, 28312440), (2, 14156220), (3, 9437480), (4, 7078110), (5, 5662488), (6, 4718740), (8, 3539055), (10, 2831244), (12, 2359370), (13, 2177880), (15, 1887496), (20, 1415622), (24, 1179685), (26, 1088940), (30, 943748), (39, 725960), (40, 707811), (52, 544470), (60, 471874), (65, 435576), (78, 362980), (104, 272235), (120, 235937), (130, 217788), (156, 181490), (195, 145192), (260, 108894), (312, 90745), (390, 72596), (520, 54447), (780, 36298), (1560, 18149)]