667714720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1399}}^1$

素因数の和:1590

約数の個数: 96

約数和(自身を含む): 1672272000

約数和(自身を除く): 1004557280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 157, 160, 190, 304, 314, 380, 608, 628, 760, 785, 1256, 1399, 1520, 1570, 2512, 2798, 2983, 3040, 3140, 5024, 5596, 5966, 6280, 6995, 11192, 11932, 12560, 13990, 14915, 22384, 23864, 25120, 26581, 27980, 29830, 44768, 47728, 53162, 55960, 59660, 95456, 106324, 111920, 119320, 132905, 212648, 219643, 223840, 238640, 265810, 425296, 439286, 477280, 531620, 850592, 878572, 1063240, 1098215, 1757144, 2126480, 2196430, 3514288, 4173217, 4252960, 4392860, 7028576, 8346434, 8785720, 16692868, 17571440, 20866085, 33385736, 35142880, 41732170, 66771472, 83464340, 133542944, 166928680, 333857360, 667714720]

約数ペア:

[(1, 667714720), (2, 333857360), (4, 166928680), (5, 133542944), (8, 83464340), (10, 66771472), (16, 41732170), (19, 35142880), (20, 33385736), (32, 20866085), (38, 17571440), (40, 16692868), (76, 8785720), (80, 8346434), (95, 7028576), (152, 4392860), (157, 4252960), (160, 4173217), (190, 3514288), (304, 2196430), (314, 2126480), (380, 1757144), (608, 1098215), (628, 1063240), (760, 878572), (785, 850592), (1256, 531620), (1399, 477280), (1520, 439286), (1570, 425296), (2512, 265810), (2798, 238640), (2983, 223840), (3040, 219643), (3140, 212648), (5024, 132905), (5596, 119320), (5966, 111920), (6280, 106324), (6995, 95456), (11192, 59660), (11932, 55960), (12560, 53162), (13990, 47728), (14915, 44768), (22384, 29830), (23864, 27980), (25120, 26581)]