81559680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1$

素因数の和:526

約数の個数: 128

約数和(自身を含む): 263062080

約数和(自身を除く): 181502400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 107, 120, 128, 160, 192, 214, 240, 320, 321, 384, 397, 428, 480, 535, 640, 642, 794, 856, 960, 1070, 1191, 1284, 1588, 1605, 1712, 1920, 1985, 2140, 2382, 2568, 3176, 3210, 3424, 3970, 4280, 4764, 5136, 5955, 6352, 6420, 6848, 7940, 8560, 9528, 10272, 11910, 12704, 12840, 13696, 15880, 17120, 19056, 20544, 23820, 25408, 25680, 31760, 34240, 38112, 41088, 42479, 47640, 50816, 51360, 63520, 68480, 76224, 84958, 95280, 102720, 127040, 127437, 152448, 169916, 190560, 205440, 212395, 254080, 254874, 339832, 381120, 424790, 509748, 637185, 679664, 762240, 849580, 1019496, 1274370, 1359328, 1699160, 2038992, 2548740, 2718656, 3398320, 4077984, 5097480, 5437312, 6796640, 8155968, 10194960, 13593280, 16311936, 20389920, 27186560, 40779840, 81559680]

約数ペア:

[(1, 81559680), (2, 40779840), (3, 27186560), (4, 20389920), (5, 16311936), (6, 13593280), (8, 10194960), (10, 8155968), (12, 6796640), (15, 5437312), (16, 5097480), (20, 4077984), (24, 3398320), (30, 2718656), (32, 2548740), (40, 2038992), (48, 1699160), (60, 1359328), (64, 1274370), (80, 1019496), (96, 849580), (107, 762240), (120, 679664), (128, 637185), (160, 509748), (192, 424790), (214, 381120), (240, 339832), (320, 254874), (321, 254080), (384, 212395), (397, 205440), (428, 190560), (480, 169916), (535, 152448), (640, 127437), (642, 127040), (794, 102720), (856, 95280), (960, 84958), (1070, 76224), (1191, 68480), (1284, 63520), (1588, 51360), (1605, 50816), (1712, 47640), (1920, 42479), (1985, 41088), (2140, 38112), (2382, 34240), (2568, 31760), (3176, 25680), (3210, 25408), (3424, 23820), (3970, 20544), (4280, 19056), (4764, 17120), (5136, 15880), (5955, 13696), (6352, 12840), (6420, 12704), (6848, 11910), (7940, 10272), (8560, 9528)]