139968640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:382

約数の個数: 128

約数和(自身を含む): 386784000

約数和(自身を除く): 246815360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 157, 160, 199, 224, 280, 314, 320, 398, 448, 560, 628, 640, 785, 796, 896, 995, 1099, 1120, 1256, 1393, 1570, 1592, 1990, 2198, 2240, 2512, 2786, 3140, 3184, 3980, 4396, 4480, 5024, 5495, 5572, 6280, 6368, 6965, 7960, 8792, 10048, 10990, 11144, 12560, 12736, 13930, 15920, 17584, 20096, 21980, 22288, 25120, 25472, 27860, 31243, 31840, 35168, 43960, 44576, 50240, 55720, 62486, 63680, 70336, 87920, 89152, 100480, 111440, 124972, 127360, 140672, 156215, 175840, 178304, 218701, 222880, 249944, 312430, 351680, 437402, 445760, 499888, 624860, 703360, 874804, 891520, 999776, 1093505, 1249720, 1749608, 1999552, 2187010, 2499440, 3499216, 3999104, 4374020, 4998880, 6998432, 8748040, 9997760, 13996864, 17496080, 19995520, 27993728, 34992160, 69984320, 139968640]

約数ペア:

[(1, 139968640), (2, 69984320), (4, 34992160), (5, 27993728), (7, 19995520), (8, 17496080), (10, 13996864), (14, 9997760), (16, 8748040), (20, 6998432), (28, 4998880), (32, 4374020), (35, 3999104), (40, 3499216), (56, 2499440), (64, 2187010), (70, 1999552), (80, 1749608), (112, 1249720), (128, 1093505), (140, 999776), (157, 891520), (160, 874804), (199, 703360), (224, 624860), (280, 499888), (314, 445760), (320, 437402), (398, 351680), (448, 312430), (560, 249944), (628, 222880), (640, 218701), (785, 178304), (796, 175840), (896, 156215), (995, 140672), (1099, 127360), (1120, 124972), (1256, 111440), (1393, 100480), (1570, 89152), (1592, 87920), (1990, 70336), (2198, 63680), (2240, 62486), (2512, 55720), (2786, 50240), (3140, 44576), (3184, 43960), (3980, 35168), (4396, 31840), (4480, 31243), (5024, 27860), (5495, 25472), (5572, 25120), (6280, 22288), (6368, 21980), (6965, 20096), (7960, 17584), (8792, 15920), (10048, 13930), (10990, 12736), (11144, 12560)]