1218558720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{317333}}^1$

素因数の和:317357

約数の個数: 72

約数和(自身を含む): 3891784176

約数和(自身を除く): 2673225456

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, 640, 768, 960, 1280, 1920, 3840, 317333, 634666, 951999, 1269332, 1586665, 1903998, 2538664, 3173330, 3807996, 4759995, 5077328, 6346660, 7615992, 9519990, 10154656, 12693320, 15231984, 19039980, 20309312, 25386640, 30463968, 38079960, 40618624, 50773280, 60927936, 76159920, 81237248, 101546560, 121855872, 152319840, 203093120, 243711744, 304639680, 406186240, 609279360, 1218558720]

約数ペア:

[(1, 1218558720), (2, 609279360), (3, 406186240), (4, 304639680), (5, 243711744), (6, 203093120), (8, 152319840), (10, 121855872), (12, 101546560), (15, 81237248), (16, 76159920), (20, 60927936), (24, 50773280), (30, 40618624), (32, 38079960), (40, 30463968), (48, 25386640), (60, 20309312), (64, 19039980), (80, 15231984), (96, 12693320), (120, 10154656), (128, 9519990), (160, 7615992), (192, 6346660), (240, 5077328), (256, 4759995), (320, 3807996), (384, 3173330), (480, 2538664), (640, 1903998), (768, 1586665), (960, 1269332), (1280, 951999), (1920, 634666), (3840, 317333)]