18391680

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:159

約数の個数: 192

約数和(自身を含む): 66193920

約数和(自身を除く): 47802240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 103, 120, 124, 128, 144, 155, 160, 180, 186, 192, 206, 240, 248, 279, 288, 309, 310, 320, 360, 372, 384, 412, 465, 480, 496, 515, 558, 576, 618, 620, 640, 720, 744, 824, 927, 930, 960, 992, 1030, 1116, 1152, 1236, 1240, 1395, 1440, 1488, 1545, 1648, 1854, 1860, 1920, 1984, 2060, 2232, 2472, 2480, 2790, 2880, 2976, 3090, 3193, 3296, 3708, 3720, 3968, 4120, 4464, 4635, 4944, 4960, 5580, 5760, 5952, 6180, 6386, 6592, 7416, 7440, 8240, 8928, 9270, 9579, 9888, 9920, 11160, 11904, 12360, 12772, 13184, 14832, 14880, 15965, 16480, 17856, 18540, 19158, 19776, 19840, 22320, 24720, 25544, 28737, 29664, 29760, 31930, 32960, 35712, 37080, 38316, 39552, 44640, 47895, 49440, 51088, 57474, 59328, 59520, 63860, 65920, 74160, 76632, 89280, 95790, 98880, 102176, 114948, 118656, 127720, 143685, 148320, 153264, 178560, 191580, 197760, 204352, 229896, 255440, 287370, 296640, 306528, 383160, 408704, 459792, 510880, 574740, 593280, 613056, 766320, 919584, 1021760, 1149480, 1226112, 1532640, 1839168, 2043520, 2298960, 3065280, 3678336, 4597920, 6130560, 9195840, 18391680]

約数ペア:

[(1, 18391680), (2, 9195840), (3, 6130560), (4, 4597920), (5, 3678336), (6, 3065280), (8, 2298960), (9, 2043520), (10, 1839168), (12, 1532640), (15, 1226112), (16, 1149480), (18, 1021760), (20, 919584), (24, 766320), (30, 613056), (31, 593280), (32, 574740), (36, 510880), (40, 459792), (45, 408704), (48, 383160), (60, 306528), (62, 296640), (64, 287370), (72, 255440), (80, 229896), (90, 204352), (93, 197760), (96, 191580), (103, 178560), (120, 153264), (124, 148320), (128, 143685), (144, 127720), (155, 118656), (160, 114948), (180, 102176), (186, 98880), (192, 95790), (206, 89280), (240, 76632), (248, 74160), (279, 65920), (288, 63860), (309, 59520), (310, 59328), (320, 57474), (360, 51088), (372, 49440), (384, 47895), (412, 44640), (465, 39552), (480, 38316), (496, 37080), (515, 35712), (558, 32960), (576, 31930), (618, 29760), (620, 29664), (640, 28737), (720, 25544), (744, 24720), (824, 22320), (927, 19840), (930, 19776), (960, 19158), (992, 18540), (1030, 17856), (1116, 16480), (1152, 15965), (1236, 14880), (1240, 14832), (1395, 13184), (1440, 12772), (1488, 12360), (1545, 11904), (1648, 11160), (1854, 9920), (1860, 9888), (1920, 9579), (1984, 9270), (2060, 8928), (2232, 8240), (2472, 7440), (2480, 7416), (2790, 6592), (2880, 6386), (2976, 6180), (3090, 5952), (3193, 5760), (3296, 5580), (3708, 4960), (3720, 4944), (3968, 4635), (4120, 4464)]