80273520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{111491}}^1$

素因数の和:111510

約数の個数: 60

約数和(自身を含む): 269587656

約数和(自身を除く): 189314136

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 111491, 222982, 334473, 445964, 557455, 668946, 891928, 1003419, 1114910, 1337892, 1672365, 1783856, 2006838, 2229820, 2675784, 3344730, 4013676, 4459640, 5017095, 5351568, 6689460, 8027352, 8919280, 10034190, 13378920, 16054704, 20068380, 26757840, 40136760, 80273520]

約数ペア:

[(1, 80273520), (2, 40136760), (3, 26757840), (4, 20068380), (5, 16054704), (6, 13378920), (8, 10034190), (9, 8919280), (10, 8027352), (12, 6689460), (15, 5351568), (16, 5017095), (18, 4459640), (20, 4013676), (24, 3344730), (30, 2675784), (36, 2229820), (40, 2006838), (45, 1783856), (48, 1672365), (60, 1337892), (72, 1114910), (80, 1003419), (90, 891928), (120, 668946), (144, 557455), (180, 445964), (240, 334473), (360, 222982), (720, 111491)]