31388580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1571}}^1$

素因数の和:1626

約数の個数: 96

約数和(自身を含む): 100356480

約数和(自身を除く): 68967900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 90, 108, 111, 135, 148, 180, 185, 222, 270, 333, 370, 444, 540, 555, 666, 740, 999, 1110, 1332, 1571, 1665, 1998, 2220, 3142, 3330, 3996, 4713, 4995, 6284, 6660, 7855, 9426, 9990, 14139, 15710, 18852, 19980, 23565, 28278, 31420, 42417, 47130, 56556, 58127, 70695, 84834, 94260, 116254, 141390, 169668, 174381, 212085, 232508, 282780, 290635, 348762, 424170, 523143, 581270, 697524, 848340, 871905, 1046286, 1162540, 1569429, 1743810, 2092572, 2615715, 3138858, 3487620, 5231430, 6277716, 7847145, 10462860, 15694290, 31388580]

約数ペア:

[(1, 31388580), (2, 15694290), (3, 10462860), (4, 7847145), (5, 6277716), (6, 5231430), (9, 3487620), (10, 3138858), (12, 2615715), (15, 2092572), (18, 1743810), (20, 1569429), (27, 1162540), (30, 1046286), (36, 871905), (37, 848340), (45, 697524), (54, 581270), (60, 523143), (74, 424170), (90, 348762), (108, 290635), (111, 282780), (135, 232508), (148, 212085), (180, 174381), (185, 169668), (222, 141390), (270, 116254), (333, 94260), (370, 84834), (444, 70695), (540, 58127), (555, 56556), (666, 47130), (740, 42417), (999, 31420), (1110, 28278), (1332, 23565), (1571, 19980), (1665, 18852), (1998, 15710), (2220, 14139), (3142, 9990), (3330, 9426), (3996, 7855), (4713, 6660), (4995, 6284)]