30881120

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{751}}^1$

素因数の和:1023

約数の個数: 48

約数和(自身を含む): 73338048

約数和(自身を除く): 42456928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 514, 751, 1028, 1285, 1502, 2056, 2570, 3004, 3755, 4112, 5140, 6008, 7510, 8224, 10280, 12016, 15020, 20560, 24032, 30040, 41120, 60080, 120160, 193007, 386014, 772028, 965035, 1544056, 1930070, 3088112, 3860140, 6176224, 7720280, 15440560, 30881120]

約数ペア:

[(1, 30881120), (2, 15440560), (4, 7720280), (5, 6176224), (8, 3860140), (10, 3088112), (16, 1930070), (20, 1544056), (32, 965035), (40, 772028), (80, 386014), (160, 193007), (257, 120160), (514, 60080), (751, 41120), (1028, 30040), (1285, 24032), (1502, 20560), (2056, 15020), (2570, 12016), (3004, 10280), (3755, 8224), (4112, 7510), (5140, 6008)]