49920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1$

素因数の和:37

約数の個数: 72

約数和(自身を含む): 171696

約数和(自身を除く): 121776

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, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1560, 1664, 1920, 2080, 2496, 3120, 3328, 3840, 4160, 4992, 6240, 8320, 9984, 12480, 16640, 24960, 49920]

約数ペア:

[(1, 49920), (2, 24960), (3, 16640), (4, 12480), (5, 9984), (6, 8320), (8, 6240), (10, 4992), (12, 4160), (13, 3840), (15, 3328), (16, 3120), (20, 2496), (24, 2080), (26, 1920), (30, 1664), (32, 1560), (39, 1280), (40, 1248), (48, 1040), (52, 960), (60, 832), (64, 780), (65, 768), (78, 640), (80, 624), (96, 520), (104, 480), (120, 416), (128, 390), (130, 384), (156, 320), (160, 312), (192, 260), (195, 256), (208, 240)]