13440840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{16001}}^1$

素因数の和:16022

約数の個数: 64

約数和(自身を含む): 46085760

約数和(自身を除く): 32644920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 16001, 32002, 48003, 64004, 80005, 96006, 112007, 128008, 160010, 192012, 224014, 240015, 320020, 336021, 384024, 448028, 480030, 560035, 640040, 672042, 896056, 960060, 1120070, 1344084, 1680105, 1920120, 2240140, 2688168, 3360210, 4480280, 6720420, 13440840]

約数ペア:

[(1, 13440840), (2, 6720420), (3, 4480280), (4, 3360210), (5, 2688168), (6, 2240140), (7, 1920120), (8, 1680105), (10, 1344084), (12, 1120070), (14, 960060), (15, 896056), (20, 672042), (21, 640040), (24, 560035), (28, 480030), (30, 448028), (35, 384024), (40, 336021), (42, 320020), (56, 240015), (60, 224014), (70, 192012), (84, 160010), (105, 128008), (120, 112007), (140, 96006), (168, 80005), (210, 64004), (280, 48003), (420, 32002), (840, 16001)]