121809920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:705

約数の個数: 88

約数和(自身を含む): 300565104

約数和(自身を除く): 178755184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 512, 592, 640, 643, 740, 1024, 1184, 1280, 1286, 1480, 2368, 2560, 2572, 2960, 3215, 4736, 5120, 5144, 5920, 6430, 9472, 10288, 11840, 12860, 18944, 20576, 23680, 23791, 25720, 37888, 41152, 47360, 47582, 51440, 82304, 94720, 95164, 102880, 118955, 164608, 189440, 190328, 205760, 237910, 329216, 380656, 411520, 475820, 658432, 761312, 823040, 951640, 1522624, 1646080, 1903280, 3045248, 3292160, 3806560, 6090496, 7613120, 12180992, 15226240, 24361984, 30452480, 60904960, 121809920]

約数ペア:

[(1, 121809920), (2, 60904960), (4, 30452480), (5, 24361984), (8, 15226240), (10, 12180992), (16, 7613120), (20, 6090496), (32, 3806560), (37, 3292160), (40, 3045248), (64, 1903280), (74, 1646080), (80, 1522624), (128, 951640), (148, 823040), (160, 761312), (185, 658432), (256, 475820), (296, 411520), (320, 380656), (370, 329216), (512, 237910), (592, 205760), (640, 190328), (643, 189440), (740, 164608), (1024, 118955), (1184, 102880), (1280, 95164), (1286, 94720), (1480, 82304), (2368, 51440), (2560, 47582), (2572, 47360), (2960, 41152), (3215, 37888), (4736, 25720), (5120, 23791), (5144, 23680), (5920, 20576), (6430, 18944), (9472, 12860), (10288, 11840)]