2551380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3271}}^1$

素因数の和:3296

約数の個数: 48

約数和(自身を含む): 7695744

約数和(自身を除く): 5144364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 3271, 6542, 9813, 13084, 16355, 19626, 32710, 39252, 42523, 49065, 65420, 85046, 98130, 127569, 170092, 196260, 212615, 255138, 425230, 510276, 637845, 850460, 1275690, 2551380]

約数ペア:

[(1, 2551380), (2, 1275690), (3, 850460), (4, 637845), (5, 510276), (6, 425230), (10, 255138), (12, 212615), (13, 196260), (15, 170092), (20, 127569), (26, 98130), (30, 85046), (39, 65420), (52, 49065), (60, 42523), (65, 39252), (78, 32710), (130, 19626), (156, 16355), (195, 13084), (260, 9813), (390, 6542), (780, 3271)]