1238638080

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{161281}}^1$

素因数の和:161307

約数の個数: 80

約数和(自身を含む): 3959795664

約数和(自身を除く): 2721157584

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, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 161281, 322562, 483843, 645124, 806405, 967686, 1290248, 1612810, 1935372, 2419215, 2580496, 3225620, 3870744, 4838430, 5160992, 6451240, 7741488, 9676860, 10321984, 12902480, 15482976, 19353720, 20643968, 25804960, 30965952, 38707440, 41287936, 51609920, 61931904, 77414880, 82575872, 103219840, 123863808, 154829760, 206439680, 247727616, 309659520, 412879360, 619319040, 1238638080]

約数ペア:

[(1, 1238638080), (2, 619319040), (3, 412879360), (4, 309659520), (5, 247727616), (6, 206439680), (8, 154829760), (10, 123863808), (12, 103219840), (15, 82575872), (16, 77414880), (20, 61931904), (24, 51609920), (30, 41287936), (32, 38707440), (40, 30965952), (48, 25804960), (60, 20643968), (64, 19353720), (80, 15482976), (96, 12902480), (120, 10321984), (128, 9676860), (160, 7741488), (192, 6451240), (240, 5160992), (256, 4838430), (320, 3870744), (384, 3225620), (480, 2580496), (512, 2419215), (640, 1935372), (768, 1612810), (960, 1290248), (1280, 967686), (1536, 806405), (1920, 645124), (2560, 483843), (3840, 322562), (7680, 161281)]