18318960

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1$

素因数の和:293

約数の個数: 200

約数和(自身を含む): 69678576

約数和(自身を除く): 51359616

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 81, 88, 90, 99, 108, 110, 120, 132, 135, 144, 162, 165, 176, 180, 198, 216, 220, 240, 257, 264, 270, 297, 324, 330, 360, 396, 405, 432, 440, 495, 514, 528, 540, 594, 648, 660, 720, 771, 792, 810, 880, 891, 990, 1028, 1080, 1188, 1285, 1296, 1320, 1485, 1542, 1584, 1620, 1782, 1980, 2056, 2160, 2313, 2376, 2570, 2640, 2827, 2970, 3084, 3240, 3564, 3855, 3960, 4112, 4455, 4626, 4752, 5140, 5654, 5940, 6168, 6480, 6939, 7128, 7710, 7920, 8481, 8910, 9252, 10280, 11308, 11565, 11880, 12336, 13878, 14135, 14256, 15420, 16962, 17820, 18504, 20560, 20817, 22616, 23130, 23760, 25443, 27756, 28270, 30840, 33924, 34695, 35640, 37008, 41634, 42405, 45232, 46260, 50886, 55512, 56540, 61680, 67848, 69390, 71280, 76329, 83268, 84810, 92520, 101772, 104085, 111024, 113080, 127215, 135696, 138780, 152658, 166536, 169620, 185040, 203544, 208170, 226160, 228987, 254430, 277560, 305316, 333072, 339240, 381645, 407088, 416340, 457974, 508860, 555120, 610632, 678480, 763290, 832680, 915948, 1017720, 1144935, 1221264, 1526580, 1665360, 1831896, 2035440, 2289870, 3053160, 3663792, 4579740, 6106320, 9159480, 18318960]

約数ペア:

[(1, 18318960), (2, 9159480), (3, 6106320), (4, 4579740), (5, 3663792), (6, 3053160), (8, 2289870), (9, 2035440), (10, 1831896), (11, 1665360), (12, 1526580), (15, 1221264), (16, 1144935), (18, 1017720), (20, 915948), (22, 832680), (24, 763290), (27, 678480), (30, 610632), (33, 555120), (36, 508860), (40, 457974), (44, 416340), (45, 407088), (48, 381645), (54, 339240), (55, 333072), (60, 305316), (66, 277560), (72, 254430), (80, 228987), (81, 226160), (88, 208170), (90, 203544), (99, 185040), (108, 169620), (110, 166536), (120, 152658), (132, 138780), (135, 135696), (144, 127215), (162, 113080), (165, 111024), (176, 104085), (180, 101772), (198, 92520), (216, 84810), (220, 83268), (240, 76329), (257, 71280), (264, 69390), (270, 67848), (297, 61680), (324, 56540), (330, 55512), (360, 50886), (396, 46260), (405, 45232), (432, 42405), (440, 41634), (495, 37008), (514, 35640), (528, 34695), (540, 33924), (594, 30840), (648, 28270), (660, 27756), (720, 25443), (771, 23760), (792, 23130), (810, 22616), (880, 20817), (891, 20560), (990, 18504), (1028, 17820), (1080, 16962), (1188, 15420), (1285, 14256), (1296, 14135), (1320, 13878), (1485, 12336), (1542, 11880), (1584, 11565), (1620, 11308), (1782, 10280), (1980, 9252), (2056, 8910), (2160, 8481), (2313, 7920), (2376, 7710), (2570, 7128), (2640, 6939), (2827, 6480), (2970, 6168), (3084, 5940), (3240, 5654), (3564, 5140), (3855, 4752), (3960, 4626), (4112, 4455)]