61680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1$

素因数の和:273

約数の個数: 40

約数和(自身を含む): 191952

約数和(自身を除く): 130272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 3084, 3855, 4112, 5140, 6168, 7710, 10280, 12336, 15420, 20560, 30840, 61680]

約数ペア:

[(1, 61680), (2, 30840), (3, 20560), (4, 15420), (5, 12336), (6, 10280), (8, 7710), (10, 6168), (12, 5140), (15, 4112), (16, 3855), (20, 3084), (24, 2570), (30, 2056), (40, 1542), (48, 1285), (60, 1028), (80, 771), (120, 514), (240, 257)]