291188640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{606643}}^1$

素因数の和:606661

約数の個数: 48

約数和(自身を含む): 917245728

約数和(自身を除く): 626057088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 606643, 1213286, 1819929, 2426572, 3033215, 3639858, 4853144, 6066430, 7279716, 9099645, 9706288, 12132860, 14559432, 18199290, 19412576, 24265720, 29118864, 36398580, 48531440, 58237728, 72797160, 97062880, 145594320, 291188640]

約数ペア:

[(1, 291188640), (2, 145594320), (3, 97062880), (4, 72797160), (5, 58237728), (6, 48531440), (8, 36398580), (10, 29118864), (12, 24265720), (15, 19412576), (16, 18199290), (20, 14559432), (24, 12132860), (30, 9706288), (32, 9099645), (40, 7279716), (48, 6066430), (60, 4853144), (80, 3639858), (96, 3033215), (120, 2426572), (160, 1819929), (240, 1213286), (480, 606643)]