6721680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{4001}}^1$

素因数の和:4024

約数の個数: 80

約数和(自身を含む): 23819904

約数和(自身を除く): 17098224

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 4001, 8002, 12003, 16004, 20005, 24006, 28007, 32008, 40010, 48012, 56014, 60015, 64016, 80020, 84021, 96024, 112028, 120030, 140035, 160040, 168042, 192048, 224056, 240060, 280070, 320080, 336084, 420105, 448112, 480120, 560140, 672168, 840210, 960240, 1120280, 1344336, 1680420, 2240560, 3360840, 6721680]

約数ペア:

[(1, 6721680), (2, 3360840), (3, 2240560), (4, 1680420), (5, 1344336), (6, 1120280), (7, 960240), (8, 840210), (10, 672168), (12, 560140), (14, 480120), (15, 448112), (16, 420105), (20, 336084), (21, 320080), (24, 280070), (28, 240060), (30, 224056), (35, 192048), (40, 168042), (42, 160040), (48, 140035), (56, 120030), (60, 112028), (70, 96024), (80, 84021), (84, 80020), (105, 64016), (112, 60015), (120, 56014), (140, 48012), (168, 40010), (210, 32008), (240, 28007), (280, 24006), (336, 20005), (420, 16004), (560, 12003), (840, 8002), (1680, 4001)]