278380380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{87541}}^1$

素因数の和:87606

約数の個数: 48

約数和(自身を含む): 794181024

約数和(自身を除く): 515800644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 87541, 175082, 262623, 350164, 437705, 525246, 875410, 1050492, 1313115, 1750820, 2626230, 4639673, 5252460, 9279346, 13919019, 18558692, 23198365, 27838038, 46396730, 55676076, 69595095, 92793460, 139190190, 278380380]

約数ペア:

[(1, 278380380), (2, 139190190), (3, 92793460), (4, 69595095), (5, 55676076), (6, 46396730), (10, 27838038), (12, 23198365), (15, 18558692), (20, 13919019), (30, 9279346), (53, 5252460), (60, 4639673), (106, 2626230), (159, 1750820), (212, 1313115), (265, 1050492), (318, 875410), (530, 525246), (636, 437705), (795, 350164), (1060, 262623), (1590, 175082), (3180, 87541)]