248288320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{557}}^1$

素因数の和:780

約数の個数: 112

約数和(自身を含む): 680313600

約数和(自身を除く): 432025280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 199, 224, 280, 320, 398, 448, 557, 560, 796, 995, 1114, 1120, 1393, 1592, 1990, 2228, 2240, 2785, 2786, 3184, 3899, 3980, 4456, 5570, 5572, 6368, 6965, 7798, 7960, 8912, 11140, 11144, 12736, 13930, 15596, 15920, 17824, 19495, 22280, 22288, 27860, 31192, 31840, 35648, 38990, 44560, 44576, 55720, 62384, 63680, 77980, 89120, 89152, 110843, 111440, 124768, 155960, 178240, 221686, 222880, 249536, 311920, 443372, 445760, 554215, 623840, 775901, 886744, 1108430, 1247680, 1551802, 1773488, 2216860, 3103604, 3546976, 3879505, 4433720, 6207208, 7093952, 7759010, 8867440, 12414416, 15518020, 17734880, 24828832, 31036040, 35469760, 49657664, 62072080, 124144160, 248288320]

約数ペア:

[(1, 248288320), (2, 124144160), (4, 62072080), (5, 49657664), (7, 35469760), (8, 31036040), (10, 24828832), (14, 17734880), (16, 15518020), (20, 12414416), (28, 8867440), (32, 7759010), (35, 7093952), (40, 6207208), (56, 4433720), (64, 3879505), (70, 3546976), (80, 3103604), (112, 2216860), (140, 1773488), (160, 1551802), (199, 1247680), (224, 1108430), (280, 886744), (320, 775901), (398, 623840), (448, 554215), (557, 445760), (560, 443372), (796, 311920), (995, 249536), (1114, 222880), (1120, 221686), (1393, 178240), (1592, 155960), (1990, 124768), (2228, 111440), (2240, 110843), (2785, 89152), (2786, 89120), (3184, 77980), (3899, 63680), (3980, 62384), (4456, 55720), (5570, 44576), (5572, 44560), (6368, 38990), (6965, 35648), (7798, 31840), (7960, 31192), (8912, 27860), (11140, 22288), (11144, 22280), (12736, 19495), (13930, 17824), (15596, 15920)]