319990560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{666647}}^1$

素因数の和:666665

約数の個数: 48

約数和(自身を含む): 1007971776

約数和(自身を除く): 687981216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 666647, 1333294, 1999941, 2666588, 3333235, 3999882, 5333176, 6666470, 7999764, 9999705, 10666352, 13332940, 15999528, 19999410, 21332704, 26665880, 31999056, 39998820, 53331760, 63998112, 79997640, 106663520, 159995280, 319990560]

約数ペア:

[(1, 319990560), (2, 159995280), (3, 106663520), (4, 79997640), (5, 63998112), (6, 53331760), (8, 39998820), (10, 31999056), (12, 26665880), (15, 21332704), (16, 19999410), (20, 15999528), (24, 13332940), (30, 10666352), (32, 9999705), (40, 7999764), (48, 6666470), (60, 5333176), (80, 3999882), (96, 3333235), (120, 2666588), (160, 1999941), (240, 1333294), (480, 666647)]