18690720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1693}}^1$

素因数の和:1734

約数の個数: 96

約数和(自身を含む): 61471872

約数和(自身を除く): 42781152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 160, 184, 230, 240, 276, 345, 368, 460, 480, 552, 690, 736, 920, 1104, 1380, 1693, 1840, 2208, 2760, 3386, 3680, 5079, 5520, 6772, 8465, 10158, 11040, 13544, 16930, 20316, 25395, 27088, 33860, 38939, 40632, 50790, 54176, 67720, 77878, 81264, 101580, 116817, 135440, 155756, 162528, 194695, 203160, 233634, 270880, 311512, 389390, 406320, 467268, 584085, 623024, 778780, 812640, 934536, 1168170, 1246048, 1557560, 1869072, 2336340, 3115120, 3738144, 4672680, 6230240, 9345360, 18690720]

約数ペア:

[(1, 18690720), (2, 9345360), (3, 6230240), (4, 4672680), (5, 3738144), (6, 3115120), (8, 2336340), (10, 1869072), (12, 1557560), (15, 1246048), (16, 1168170), (20, 934536), (23, 812640), (24, 778780), (30, 623024), (32, 584085), (40, 467268), (46, 406320), (48, 389390), (60, 311512), (69, 270880), (80, 233634), (92, 203160), (96, 194695), (115, 162528), (120, 155756), (138, 135440), (160, 116817), (184, 101580), (230, 81264), (240, 77878), (276, 67720), (345, 54176), (368, 50790), (460, 40632), (480, 38939), (552, 33860), (690, 27088), (736, 25395), (920, 20316), (1104, 16930), (1380, 13544), (1693, 11040), (1840, 10158), (2208, 8465), (2760, 6772), (3386, 5520), (3680, 5079)]