18905280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:486

約数の個数: 112

約数和(自身を含む): 61447680

約数和(自身を除く): 42542400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 64, 80, 94, 96, 120, 141, 160, 188, 192, 235, 240, 282, 320, 376, 419, 470, 480, 564, 705, 752, 838, 940, 960, 1128, 1257, 1410, 1504, 1676, 1880, 2095, 2256, 2514, 2820, 3008, 3352, 3760, 4190, 4512, 5028, 5640, 6285, 6704, 7520, 8380, 9024, 10056, 11280, 12570, 13408, 15040, 16760, 19693, 20112, 22560, 25140, 26816, 33520, 39386, 40224, 45120, 50280, 59079, 67040, 78772, 80448, 98465, 100560, 118158, 134080, 157544, 196930, 201120, 236316, 295395, 315088, 393860, 402240, 472632, 590790, 630176, 787720, 945264, 1181580, 1260352, 1575440, 1890528, 2363160, 3150880, 3781056, 4726320, 6301760, 9452640, 18905280]

約数ペア:

[(1, 18905280), (2, 9452640), (3, 6301760), (4, 4726320), (5, 3781056), (6, 3150880), (8, 2363160), (10, 1890528), (12, 1575440), (15, 1260352), (16, 1181580), (20, 945264), (24, 787720), (30, 630176), (32, 590790), (40, 472632), (47, 402240), (48, 393860), (60, 315088), (64, 295395), (80, 236316), (94, 201120), (96, 196930), (120, 157544), (141, 134080), (160, 118158), (188, 100560), (192, 98465), (235, 80448), (240, 78772), (282, 67040), (320, 59079), (376, 50280), (419, 45120), (470, 40224), (480, 39386), (564, 33520), (705, 26816), (752, 25140), (838, 22560), (940, 20112), (960, 19693), (1128, 16760), (1257, 15040), (1410, 13408), (1504, 12570), (1676, 11280), (1880, 10056), (2095, 9024), (2256, 8380), (2514, 7520), (2820, 6704), (3008, 6285), (3352, 5640), (3760, 5028), (4190, 4512)]