17963280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:489

約数の個数: 120

約数和(自身を含む): 61465560

約数和(自身を除く): 43502280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 409, 488, 549, 610, 720, 732, 818, 915, 976, 1098, 1220, 1227, 1464, 1636, 1830, 2045, 2196, 2440, 2454, 2745, 2928, 3272, 3660, 3681, 4090, 4392, 4880, 4908, 5490, 6135, 6544, 7320, 7362, 8180, 8784, 9816, 10980, 12270, 14640, 14724, 16360, 18405, 19632, 21960, 24540, 24949, 29448, 32720, 36810, 43920, 49080, 49898, 58896, 73620, 74847, 98160, 99796, 124745, 147240, 149694, 199592, 224541, 249490, 294480, 299388, 374235, 399184, 449082, 498980, 598776, 748470, 898164, 997960, 1122705, 1197552, 1496940, 1796328, 1995920, 2245410, 2993880, 3592656, 4490820, 5987760, 8981640, 17963280]

約数ペア:

[(1, 17963280), (2, 8981640), (3, 5987760), (4, 4490820), (5, 3592656), (6, 2993880), (8, 2245410), (9, 1995920), (10, 1796328), (12, 1496940), (15, 1197552), (16, 1122705), (18, 997960), (20, 898164), (24, 748470), (30, 598776), (36, 498980), (40, 449082), (45, 399184), (48, 374235), (60, 299388), (61, 294480), (72, 249490), (80, 224541), (90, 199592), (120, 149694), (122, 147240), (144, 124745), (180, 99796), (183, 98160), (240, 74847), (244, 73620), (305, 58896), (360, 49898), (366, 49080), (409, 43920), (488, 36810), (549, 32720), (610, 29448), (720, 24949), (732, 24540), (818, 21960), (915, 19632), (976, 18405), (1098, 16360), (1220, 14724), (1227, 14640), (1464, 12270), (1636, 10980), (1830, 9816), (2045, 8784), (2196, 8180), (2440, 7362), (2454, 7320), (2745, 6544), (2928, 6135), (3272, 5490), (3660, 4908), (3681, 4880), (4090, 4392)]