1077840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{499}}^1$

素因数の和:521

約数の個数: 80

約数和(自身を含む): 3720000

約数和(自身を除く): 2642160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 499, 540, 720, 998, 1080, 1497, 1996, 2160, 2495, 2994, 3992, 4491, 4990, 5988, 7485, 7984, 8982, 9980, 11976, 13473, 14970, 17964, 19960, 22455, 23952, 26946, 29940, 35928, 39920, 44910, 53892, 59880, 67365, 71856, 89820, 107784, 119760, 134730, 179640, 215568, 269460, 359280, 538920, 1077840]

約数ペア:

[(1, 1077840), (2, 538920), (3, 359280), (4, 269460), (5, 215568), (6, 179640), (8, 134730), (9, 119760), (10, 107784), (12, 89820), (15, 71856), (16, 67365), (18, 59880), (20, 53892), (24, 44910), (27, 39920), (30, 35928), (36, 29940), (40, 26946), (45, 23952), (48, 22455), (54, 19960), (60, 17964), (72, 14970), (80, 13473), (90, 11976), (108, 9980), (120, 8982), (135, 7984), (144, 7485), (180, 5988), (216, 4990), (240, 4491), (270, 3992), (360, 2994), (432, 2495), (499, 2160), (540, 1996), (720, 1497), (998, 1080)]