251472320

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{359}}^1$

素因数の和:586

約数の個数: 112

約数和(自身を含む): 658368000

約数和(自身を除く): 406895680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 199, 220, 320, 352, 359, 398, 440, 704, 718, 796, 880, 995, 1436, 1592, 1760, 1795, 1990, 2189, 2872, 3184, 3520, 3590, 3949, 3980, 4378, 5744, 6368, 7180, 7898, 7960, 8756, 10945, 11488, 12736, 14360, 15796, 15920, 17512, 19745, 21890, 22976, 28720, 31592, 31840, 35024, 39490, 43780, 57440, 63184, 63680, 70048, 71441, 78980, 87560, 114880, 126368, 140096, 142882, 157960, 175120, 252736, 285764, 315920, 350240, 357205, 571528, 631840, 700480, 714410, 785851, 1143056, 1263680, 1428820, 1571702, 2286112, 2857640, 3143404, 3929255, 4572224, 5715280, 6286808, 7858510, 11430560, 12573616, 15717020, 22861120, 25147232, 31434040, 50294464, 62868080, 125736160, 251472320]

約数ペア:

[(1, 251472320), (2, 125736160), (4, 62868080), (5, 50294464), (8, 31434040), (10, 25147232), (11, 22861120), (16, 15717020), (20, 12573616), (22, 11430560), (32, 7858510), (40, 6286808), (44, 5715280), (55, 4572224), (64, 3929255), (80, 3143404), (88, 2857640), (110, 2286112), (160, 1571702), (176, 1428820), (199, 1263680), (220, 1143056), (320, 785851), (352, 714410), (359, 700480), (398, 631840), (440, 571528), (704, 357205), (718, 350240), (796, 315920), (880, 285764), (995, 252736), (1436, 175120), (1592, 157960), (1760, 142882), (1795, 140096), (1990, 126368), (2189, 114880), (2872, 87560), (3184, 78980), (3520, 71441), (3590, 70048), (3949, 63680), (3980, 63184), (4378, 57440), (5744, 43780), (6368, 39490), (7180, 35024), (7898, 31840), (7960, 31592), (8756, 28720), (10945, 22976), (11488, 21890), (12736, 19745), (14360, 17512), (15796, 15920)]