18645120

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:124

約数の個数: 256

約数和(自身を含む): 71971200

約数和(自身を除く): 53326080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 83, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 166, 180, 192, 195, 208, 216, 234, 240, 249, 260, 270, 288, 312, 320, 332, 351, 360, 384, 390, 415, 416, 432, 468, 480, 498, 520, 540, 576, 585, 624, 640, 664, 702, 720, 747, 780, 830, 832, 864, 936, 960, 996, 1040, 1079, 1080, 1152, 1170, 1245, 1248, 1328, 1404, 1440, 1494, 1560, 1660, 1664, 1728, 1755, 1872, 1920, 1992, 2080, 2158, 2160, 2241, 2340, 2490, 2496, 2656, 2808, 2880, 2988, 3120, 3237, 3320, 3456, 3510, 3735, 3744, 3984, 4160, 4316, 4320, 4482, 4680, 4980, 4992, 5312, 5395, 5616, 5760, 5976, 6240, 6474, 6640, 7020, 7470, 7488, 7968, 8320, 8632, 8640, 8964, 9360, 9711, 9960, 10624, 10790, 11205, 11232, 11952, 12480, 12948, 13280, 14040, 14940, 14976, 15936, 16185, 17264, 17280, 17928, 18720, 19422, 19920, 21580, 22410, 22464, 23904, 24960, 25896, 26560, 28080, 29133, 29880, 31872, 32370, 34528, 35856, 37440, 38844, 39840, 43160, 44820, 44928, 47808, 48555, 51792, 53120, 56160, 58266, 59760, 64740, 69056, 71712, 74880, 77688, 79680, 86320, 89640, 95616, 97110, 103584, 112320, 116532, 119520, 129480, 138112, 143424, 145665, 155376, 159360, 172640, 179280, 194220, 207168, 224640, 233064, 239040, 258960, 286848, 291330, 310752, 345280, 358560, 388440, 414336, 466128, 478080, 517920, 582660, 621504, 690560, 717120, 776880, 932256, 1035840, 1165320, 1243008, 1434240, 1553760, 1864512, 2071680, 2330640, 3107520, 3729024, 4661280, 6215040, 9322560, 18645120]

約数ペア:

[(1, 18645120), (2, 9322560), (3, 6215040), (4, 4661280), (5, 3729024), (6, 3107520), (8, 2330640), (9, 2071680), (10, 1864512), (12, 1553760), (13, 1434240), (15, 1243008), (16, 1165320), (18, 1035840), (20, 932256), (24, 776880), (26, 717120), (27, 690560), (30, 621504), (32, 582660), (36, 517920), (39, 478080), (40, 466128), (45, 414336), (48, 388440), (52, 358560), (54, 345280), (60, 310752), (64, 291330), (65, 286848), (72, 258960), (78, 239040), (80, 233064), (83, 224640), (90, 207168), (96, 194220), (104, 179280), (108, 172640), (117, 159360), (120, 155376), (128, 145665), (130, 143424), (135, 138112), (144, 129480), (156, 119520), (160, 116532), (166, 112320), (180, 103584), (192, 97110), (195, 95616), (208, 89640), (216, 86320), (234, 79680), (240, 77688), (249, 74880), (260, 71712), (270, 69056), (288, 64740), (312, 59760), (320, 58266), (332, 56160), (351, 53120), (360, 51792), (384, 48555), (390, 47808), (415, 44928), (416, 44820), (432, 43160), (468, 39840), (480, 38844), (498, 37440), (520, 35856), (540, 34528), (576, 32370), (585, 31872), (624, 29880), (640, 29133), (664, 28080), (702, 26560), (720, 25896), (747, 24960), (780, 23904), (830, 22464), (832, 22410), (864, 21580), (936, 19920), (960, 19422), (996, 18720), (1040, 17928), (1079, 17280), (1080, 17264), (1152, 16185), (1170, 15936), (1245, 14976), (1248, 14940), (1328, 14040), (1404, 13280), (1440, 12948), (1494, 12480), (1560, 11952), (1660, 11232), (1664, 11205), (1728, 10790), (1755, 10624), (1872, 9960), (1920, 9711), (1992, 9360), (2080, 8964), (2158, 8640), (2160, 8632), (2241, 8320), (2340, 7968), (2490, 7488), (2496, 7470), (2656, 7020), (2808, 6640), (2880, 6474), (2988, 6240), (3120, 5976), (3237, 5760), (3320, 5616), (3456, 5395), (3510, 5312), (3735, 4992), (3744, 4980), (3984, 4680), (4160, 4482), (4316, 4320)]