51353520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{213973}}^1$

素因数の和:213989

約数の個数: 40

約数和(自身を含む): 159196656

約数和(自身を除く): 107843136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 213973, 427946, 641919, 855892, 1069865, 1283838, 1711784, 2139730, 2567676, 3209595, 3423568, 4279460, 5135352, 6419190, 8558920, 10270704, 12838380, 17117840, 25676760, 51353520]

約数ペア:

[(1, 51353520), (2, 25676760), (3, 17117840), (4, 12838380), (5, 10270704), (6, 8558920), (8, 6419190), (10, 5135352), (12, 4279460), (15, 3423568), (16, 3209595), (20, 2567676), (24, 2139730), (30, 1711784), (40, 1283838), (48, 1069865), (60, 855892), (80, 641919), (120, 427946), (240, 213973)]