1449865720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:485

約数の個数: 128

約数和(自身を含む): 3530096640

約数和(自身を除く): 2080230920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 191, 223, 230, 296, 370, 382, 446, 460, 740, 764, 851, 892, 920, 955, 1115, 1480, 1528, 1702, 1784, 1910, 2230, 3404, 3820, 4255, 4393, 4460, 5129, 6808, 7067, 7640, 8251, 8510, 8786, 8920, 10258, 14134, 16502, 17020, 17572, 20516, 21965, 25645, 28268, 33004, 34040, 35144, 35335, 41032, 41255, 42593, 43930, 51290, 56536, 66008, 70670, 82510, 85186, 87860, 102580, 141340, 162541, 165020, 170372, 175720, 189773, 205160, 212965, 282680, 325082, 330040, 340744, 379546, 425930, 650164, 759092, 812705, 851860, 948865, 979639, 1300328, 1518184, 1575941, 1625410, 1703720, 1897730, 1959278, 3151882, 3250820, 3795460, 3918556, 4898195, 6303764, 6501640, 7590920, 7837112, 7879705, 9796390, 12607528, 15759410, 19592780, 31518820, 36246643, 39185560, 63037640, 72493286, 144986572, 181233215, 289973144, 362466430, 724932860, 1449865720]

約数ペア:

[(1, 1449865720), (2, 724932860), (4, 362466430), (5, 289973144), (8, 181233215), (10, 144986572), (20, 72493286), (23, 63037640), (37, 39185560), (40, 36246643), (46, 31518820), (74, 19592780), (92, 15759410), (115, 12607528), (148, 9796390), (184, 7879705), (185, 7837112), (191, 7590920), (223, 6501640), (230, 6303764), (296, 4898195), (370, 3918556), (382, 3795460), (446, 3250820), (460, 3151882), (740, 1959278), (764, 1897730), (851, 1703720), (892, 1625410), (920, 1575941), (955, 1518184), (1115, 1300328), (1480, 979639), (1528, 948865), (1702, 851860), (1784, 812705), (1910, 759092), (2230, 650164), (3404, 425930), (3820, 379546), (4255, 340744), (4393, 330040), (4460, 325082), (5129, 282680), (6808, 212965), (7067, 205160), (7640, 189773), (8251, 175720), (8510, 170372), (8786, 165020), (8920, 162541), (10258, 141340), (14134, 102580), (16502, 87860), (17020, 85186), (17572, 82510), (20516, 70670), (21965, 66008), (25645, 56536), (28268, 51290), (33004, 43930), (34040, 42593), (35144, 41255), (35335, 41032)]