18553680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:445

約数の個数: 120

約数和(自身を含む): 63341928

約数和(自身を除く): 44788248

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 73, 80, 90, 120, 144, 146, 180, 219, 240, 292, 353, 360, 365, 438, 584, 657, 706, 720, 730, 876, 1059, 1095, 1168, 1314, 1412, 1460, 1752, 1765, 2118, 2190, 2628, 2824, 2920, 3177, 3285, 3504, 3530, 4236, 4380, 5256, 5295, 5648, 5840, 6354, 6570, 7060, 8472, 8760, 10512, 10590, 12708, 13140, 14120, 15885, 16944, 17520, 21180, 25416, 25769, 26280, 28240, 31770, 42360, 50832, 51538, 52560, 63540, 77307, 84720, 103076, 127080, 128845, 154614, 206152, 231921, 254160, 257690, 309228, 386535, 412304, 463842, 515380, 618456, 773070, 927684, 1030760, 1159605, 1236912, 1546140, 1855368, 2061520, 2319210, 3092280, 3710736, 4638420, 6184560, 9276840, 18553680]

約数ペア:

[(1, 18553680), (2, 9276840), (3, 6184560), (4, 4638420), (5, 3710736), (6, 3092280), (8, 2319210), (9, 2061520), (10, 1855368), (12, 1546140), (15, 1236912), (16, 1159605), (18, 1030760), (20, 927684), (24, 773070), (30, 618456), (36, 515380), (40, 463842), (45, 412304), (48, 386535), (60, 309228), (72, 257690), (73, 254160), (80, 231921), (90, 206152), (120, 154614), (144, 128845), (146, 127080), (180, 103076), (219, 84720), (240, 77307), (292, 63540), (353, 52560), (360, 51538), (365, 50832), (438, 42360), (584, 31770), (657, 28240), (706, 26280), (720, 25769), (730, 25416), (876, 21180), (1059, 17520), (1095, 16944), (1168, 15885), (1314, 14120), (1412, 13140), (1460, 12708), (1752, 10590), (1765, 10512), (2118, 8760), (2190, 8472), (2628, 7060), (2824, 6570), (2920, 6354), (3177, 5840), (3285, 5648), (3504, 5295), (3530, 5256), (4236, 4380)]