81358560

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:570

約数の個数: 192

約数和(自身を含む): 293025600

約数和(自身を除く): 211667040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 90, 96, 108, 111, 120, 135, 144, 148, 160, 180, 185, 216, 222, 240, 270, 288, 296, 333, 360, 370, 432, 444, 480, 509, 540, 555, 592, 666, 720, 740, 864, 888, 999, 1018, 1080, 1110, 1184, 1332, 1440, 1480, 1527, 1665, 1776, 1998, 2036, 2160, 2220, 2545, 2664, 2960, 3054, 3330, 3552, 3996, 4072, 4320, 4440, 4581, 4995, 5090, 5328, 5920, 6108, 6660, 7635, 7992, 8144, 8880, 9162, 9990, 10180, 10656, 12216, 13320, 13743, 15270, 15984, 16288, 17760, 18324, 18833, 19980, 20360, 22905, 24432, 26640, 27486, 30540, 31968, 36648, 37666, 39960, 40720, 45810, 48864, 53280, 54972, 56499, 61080, 68715, 73296, 75332, 79920, 81440, 91620, 94165, 109944, 112998, 122160, 137430, 146592, 150664, 159840, 169497, 183240, 188330, 219888, 225996, 244320, 274860, 282495, 301328, 338994, 366480, 376660, 439776, 451992, 508491, 549720, 564990, 602656, 677988, 732960, 753320, 847485, 903984, 1016982, 1099440, 1129980, 1355976, 1506640, 1694970, 1807968, 2033964, 2198880, 2259960, 2542455, 2711952, 3013280, 3389940, 4067928, 4519920, 5084910, 5423904, 6779880, 8135856, 9039840, 10169820, 13559760, 16271712, 20339640, 27119520, 40679280, 81358560]

約数ペア:

[(1, 81358560), (2, 40679280), (3, 27119520), (4, 20339640), (5, 16271712), (6, 13559760), (8, 10169820), (9, 9039840), (10, 8135856), (12, 6779880), (15, 5423904), (16, 5084910), (18, 4519920), (20, 4067928), (24, 3389940), (27, 3013280), (30, 2711952), (32, 2542455), (36, 2259960), (37, 2198880), (40, 2033964), (45, 1807968), (48, 1694970), (54, 1506640), (60, 1355976), (72, 1129980), (74, 1099440), (80, 1016982), (90, 903984), (96, 847485), (108, 753320), (111, 732960), (120, 677988), (135, 602656), (144, 564990), (148, 549720), (160, 508491), (180, 451992), (185, 439776), (216, 376660), (222, 366480), (240, 338994), (270, 301328), (288, 282495), (296, 274860), (333, 244320), (360, 225996), (370, 219888), (432, 188330), (444, 183240), (480, 169497), (509, 159840), (540, 150664), (555, 146592), (592, 137430), (666, 122160), (720, 112998), (740, 109944), (864, 94165), (888, 91620), (999, 81440), (1018, 79920), (1080, 75332), (1110, 73296), (1184, 68715), (1332, 61080), (1440, 56499), (1480, 54972), (1527, 53280), (1665, 48864), (1776, 45810), (1998, 40720), (2036, 39960), (2160, 37666), (2220, 36648), (2545, 31968), (2664, 30540), (2960, 27486), (3054, 26640), (3330, 24432), (3552, 22905), (3996, 20360), (4072, 19980), (4320, 18833), (4440, 18324), (4581, 17760), (4995, 16288), (5090, 15984), (5328, 15270), (5920, 13743), (6108, 13320), (6660, 12216), (7635, 10656), (7992, 10180), (8144, 9990), (8880, 9162)]