421440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{439}}^1$

素因数の和:459

約数の個数: 56

約数和(自身を含む): 1341120

約数和(自身を除く): 919680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 439, 480, 878, 960, 1317, 1756, 2195, 2634, 3512, 4390, 5268, 6585, 7024, 8780, 10536, 13170, 14048, 17560, 21072, 26340, 28096, 35120, 42144, 52680, 70240, 84288, 105360, 140480, 210720, 421440]

約数ペア:

[(1, 421440), (2, 210720), (3, 140480), (4, 105360), (5, 84288), (6, 70240), (8, 52680), (10, 42144), (12, 35120), (15, 28096), (16, 26340), (20, 21072), (24, 17560), (30, 14048), (32, 13170), (40, 10536), (48, 8780), (60, 7024), (64, 6585), (80, 5268), (96, 4390), (120, 3512), (160, 2634), (192, 2195), (240, 1756), (320, 1317), (439, 960), (480, 878)]