19744792560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{27423323}}^1$

素因数の和:27423342

約数の個数: 60

約数和(自身を含む): 66309597432

約数和(自身を除く): 46564804872

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 27423323, 54846646, 82269969, 109693292, 137116615, 164539938, 219386584, 246809907, 274233230, 329079876, 411349845, 438773168, 493619814, 548466460, 658159752, 822699690, 987239628, 1096932920, 1234049535, 1316319504, 1645399380, 1974479256, 2193865840, 2468099070, 3290798760, 3948958512, 4936198140, 6581597520, 9872396280, 19744792560]

約数ペア:

[(1, 19744792560), (2, 9872396280), (3, 6581597520), (4, 4936198140), (5, 3948958512), (6, 3290798760), (8, 2468099070), (9, 2193865840), (10, 1974479256), (12, 1645399380), (15, 1316319504), (16, 1234049535), (18, 1096932920), (20, 987239628), (24, 822699690), (30, 658159752), (36, 548466460), (40, 493619814), (45, 438773168), (48, 411349845), (60, 329079876), (72, 274233230), (80, 246809907), (90, 219386584), (120, 164539938), (144, 137116615), (180, 109693292), (240, 82269969), (360, 54846646), (720, 27423323)]