212161920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{110501}}^1$

素因数の和:110523

約数の個数: 64

約数和(自身を含む): 676272240

約数和(自身を除く): 464110320

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, 320, 384, 480, 640, 960, 1920, 110501, 221002, 331503, 442004, 552505, 663006, 884008, 1105010, 1326012, 1657515, 1768016, 2210020, 2652024, 3315030, 3536032, 4420040, 5304048, 6630060, 7072064, 8840080, 10608096, 13260120, 14144128, 17680160, 21216192, 26520240, 35360320, 42432384, 53040480, 70720640, 106080960, 212161920]

約数ペア:

[(1, 212161920), (2, 106080960), (3, 70720640), (4, 53040480), (5, 42432384), (6, 35360320), (8, 26520240), (10, 21216192), (12, 17680160), (15, 14144128), (16, 13260120), (20, 10608096), (24, 8840080), (30, 7072064), (32, 6630060), (40, 5304048), (48, 4420040), (60, 3536032), (64, 3315030), (80, 2652024), (96, 2210020), (120, 1768016), (128, 1657515), (160, 1326012), (192, 1105010), (240, 884008), (320, 663006), (384, 552505), (480, 442004), (640, 331503), (960, 221002), (1920, 110501)]