12480

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1$

素因数の和:33

約数の個数: 56

約数和(自身を含む): 42672

約数和(自身を除く): 30192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480]

約数ペア:

[(1, 12480), (2, 6240), (3, 4160), (4, 3120), (5, 2496), (6, 2080), (8, 1560), (10, 1248), (12, 1040), (13, 960), (15, 832), (16, 780), (20, 624), (24, 520), (26, 480), (30, 416), (32, 390), (39, 320), (40, 312), (48, 260), (52, 240), (60, 208), (64, 195), (65, 192), (78, 160), (80, 156), (96, 130), (104, 120)]