19972080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{27739}}^1$

素因数の和:27758

約数の個数: 60

約数和(自身を含む): 67075320

約数和(自身を除く): 47103240

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, 27739, 55478, 83217, 110956, 138695, 166434, 221912, 249651, 277390, 332868, 416085, 443824, 499302, 554780, 665736, 832170, 998604, 1109560, 1248255, 1331472, 1664340, 1997208, 2219120, 2496510, 3328680, 3994416, 4993020, 6657360, 9986040, 19972080]

約数ペア:

[(1, 19972080), (2, 9986040), (3, 6657360), (4, 4993020), (5, 3994416), (6, 3328680), (8, 2496510), (9, 2219120), (10, 1997208), (12, 1664340), (15, 1331472), (16, 1248255), (18, 1109560), (20, 998604), (24, 832170), (30, 665736), (36, 554780), (40, 499302), (45, 443824), (48, 416085), (60, 332868), (72, 277390), (80, 249651), (90, 221912), (120, 166434), (144, 138695), (180, 110956), (240, 83217), (360, 55478), (720, 27739)]