81113520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{337973}}^1$

素因数の和:337989

約数の個数: 40

約数和(自身を含む): 251452656

約数和(自身を除く): 170339136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 337973, 675946, 1013919, 1351892, 1689865, 2027838, 2703784, 3379730, 4055676, 5069595, 5407568, 6759460, 8111352, 10139190, 13518920, 16222704, 20278380, 27037840, 40556760, 81113520]

約数ペア:

[(1, 81113520), (2, 40556760), (3, 27037840), (4, 20278380), (5, 16222704), (6, 13518920), (8, 10139190), (10, 8111352), (12, 6759460), (15, 5407568), (16, 5069595), (20, 4055676), (24, 3379730), (30, 2703784), (40, 2027838), (48, 1689865), (60, 1351892), (80, 1013919), (120, 675946), (240, 337973)]