28012680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{77813}}^1$

素因数の和:77830

約数の個数: 48

約数和(自身を含む): 91042380

約数和(自身を除く): 63029700

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 77813, 155626, 233439, 311252, 389065, 466878, 622504, 700317, 778130, 933756, 1167195, 1400634, 1556260, 1867512, 2334390, 2801268, 3112520, 3501585, 4668780, 5602536, 7003170, 9337560, 14006340, 28012680]

約数ペア:

[(1, 28012680), (2, 14006340), (3, 9337560), (4, 7003170), (5, 5602536), (6, 4668780), (8, 3501585), (9, 3112520), (10, 2801268), (12, 2334390), (15, 1867512), (18, 1556260), (20, 1400634), (24, 1167195), (30, 933756), (36, 778130), (40, 700317), (45, 622504), (60, 466878), (72, 389065), (90, 311252), (120, 233439), (180, 155626), (360, 77813)]