78123120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{325513}}^1$

素因数の和:325529

約数の個数: 40

約数和(自身を含む): 242182416

約数和(自身を除く): 164059296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 325513, 651026, 976539, 1302052, 1627565, 1953078, 2604104, 3255130, 3906156, 4882695, 5208208, 6510260, 7812312, 9765390, 13020520, 15624624, 19530780, 26041040, 39061560, 78123120]

約数ペア:

[(1, 78123120), (2, 39061560), (3, 26041040), (4, 19530780), (5, 15624624), (6, 13020520), (8, 9765390), (10, 7812312), (12, 6510260), (15, 5208208), (16, 4882695), (20, 3906156), (24, 3255130), (30, 2604104), (40, 1953078), (48, 1627565), (60, 1302052), (80, 976539), (120, 651026), (240, 325513)]