18545280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{743}}^1$

素因数の和:778

約数の個数: 128

約数和(自身を含む): 63745920

約数和(自身を除く): 45200640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 743, 780, 832, 960, 1040, 1248, 1486, 1560, 1664, 1920, 2080, 2229, 2496, 2972, 3120, 3715, 4160, 4458, 4992, 5944, 6240, 7430, 8320, 8916, 9659, 11145, 11888, 12480, 14860, 17832, 19318, 22290, 23776, 24960, 28977, 29720, 35664, 38636, 44580, 47552, 48295, 57954, 59440, 71328, 77272, 89160, 95104, 96590, 115908, 118880, 142656, 144885, 154544, 178320, 193180, 231816, 237760, 285312, 289770, 309088, 356640, 386360, 463632, 475520, 579540, 618176, 713280, 772720, 927264, 1159080, 1236352, 1426560, 1545440, 1854528, 2318160, 3090880, 3709056, 4636320, 6181760, 9272640, 18545280]

約数ペア:

[(1, 18545280), (2, 9272640), (3, 6181760), (4, 4636320), (5, 3709056), (6, 3090880), (8, 2318160), (10, 1854528), (12, 1545440), (13, 1426560), (15, 1236352), (16, 1159080), (20, 927264), (24, 772720), (26, 713280), (30, 618176), (32, 579540), (39, 475520), (40, 463632), (48, 386360), (52, 356640), (60, 309088), (64, 289770), (65, 285312), (78, 237760), (80, 231816), (96, 193180), (104, 178320), (120, 154544), (128, 144885), (130, 142656), (156, 118880), (160, 115908), (192, 96590), (195, 95104), (208, 89160), (240, 77272), (260, 71328), (312, 59440), (320, 57954), (384, 48295), (390, 47552), (416, 44580), (480, 38636), (520, 35664), (624, 29720), (640, 28977), (743, 24960), (780, 23776), (832, 22290), (960, 19318), (1040, 17832), (1248, 14860), (1486, 12480), (1560, 11888), (1664, 11145), (1920, 9659), (2080, 8916), (2229, 8320), (2496, 7430), (2972, 6240), (3120, 5944), (3715, 4992), (4160, 4458)]