1990173120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{159469}}^1$

素因数の和:159502

約数の個数: 112

約数和(自身を含む): 6804903840

約数和(自身を除く): 4814730720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 159469, 318938, 478407, 637876, 797345, 956814, 1275752, 1594690, 1913628, 2073097, 2392035, 2551504, 3189380, 3827256, 4146194, 4784070, 5103008, 6219291, 6378760, 7654512, 8292388, 9568140, 10206016, 10365485, 12438582, 12757520, 15309024, 16584776, 19136280, 20730970, 24877164, 25515040, 30618048, 31096455, 33169552, 38272560, 41461940, 49754328, 51030080, 62192910, 66339104, 76545120, 82923880, 99508656, 124385820, 132678208, 153090240, 165847760, 199017312, 248771640, 331695520, 398034624, 497543280, 663391040, 995086560, 1990173120]

約数ペア:

[(1, 1990173120), (2, 995086560), (3, 663391040), (4, 497543280), (5, 398034624), (6, 331695520), (8, 248771640), (10, 199017312), (12, 165847760), (13, 153090240), (15, 132678208), (16, 124385820), (20, 99508656), (24, 82923880), (26, 76545120), (30, 66339104), (32, 62192910), (39, 51030080), (40, 49754328), (48, 41461940), (52, 38272560), (60, 33169552), (64, 31096455), (65, 30618048), (78, 25515040), (80, 24877164), (96, 20730970), (104, 19136280), (120, 16584776), (130, 15309024), (156, 12757520), (160, 12438582), (192, 10365485), (195, 10206016), (208, 9568140), (240, 8292388), (260, 7654512), (312, 6378760), (320, 6219291), (390, 5103008), (416, 4784070), (480, 4146194), (520, 3827256), (624, 3189380), (780, 2551504), (832, 2392035), (960, 2073097), (1040, 1913628), (1248, 1594690), (1560, 1275752), (2080, 956814), (2496, 797345), (3120, 637876), (4160, 478407), (6240, 318938), (12480, 159469)]