66454960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:231

約数の個数: 160

約数和(自身を含む): 187612992

約数和(自身を除く): 121158032

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 37, 40, 44, 52, 55, 65, 74, 80, 88, 104, 110, 130, 143, 148, 157, 176, 185, 208, 220, 260, 286, 296, 314, 370, 407, 440, 481, 520, 572, 592, 628, 715, 740, 785, 814, 880, 962, 1040, 1144, 1256, 1430, 1480, 1570, 1628, 1727, 1924, 2035, 2041, 2288, 2405, 2512, 2860, 2960, 3140, 3256, 3454, 3848, 4070, 4082, 4810, 5291, 5720, 5809, 6280, 6512, 6908, 7696, 8140, 8164, 8635, 9620, 10205, 10582, 11440, 11618, 12560, 13816, 16280, 16328, 17270, 19240, 20410, 21164, 22451, 23236, 26455, 27632, 29045, 32560, 32656, 34540, 38480, 40820, 42328, 44902, 46472, 52910, 58090, 63899, 69080, 75517, 81640, 84656, 89804, 92944, 105820, 112255, 116180, 127798, 138160, 151034, 163280, 179608, 211640, 224510, 232360, 255596, 302068, 319495, 359216, 377585, 423280, 449020, 464720, 511192, 604136, 638990, 755170, 830687, 898040, 1022384, 1208272, 1277980, 1510340, 1661374, 1796080, 2555960, 3020680, 3322748, 4153435, 5111920, 6041360, 6645496, 8306870, 13290992, 16613740, 33227480, 66454960]

約数ペア:

[(1, 66454960), (2, 33227480), (4, 16613740), (5, 13290992), (8, 8306870), (10, 6645496), (11, 6041360), (13, 5111920), (16, 4153435), (20, 3322748), (22, 3020680), (26, 2555960), (37, 1796080), (40, 1661374), (44, 1510340), (52, 1277980), (55, 1208272), (65, 1022384), (74, 898040), (80, 830687), (88, 755170), (104, 638990), (110, 604136), (130, 511192), (143, 464720), (148, 449020), (157, 423280), (176, 377585), (185, 359216), (208, 319495), (220, 302068), (260, 255596), (286, 232360), (296, 224510), (314, 211640), (370, 179608), (407, 163280), (440, 151034), (481, 138160), (520, 127798), (572, 116180), (592, 112255), (628, 105820), (715, 92944), (740, 89804), (785, 84656), (814, 81640), (880, 75517), (962, 69080), (1040, 63899), (1144, 58090), (1256, 52910), (1430, 46472), (1480, 44902), (1570, 42328), (1628, 40820), (1727, 38480), (1924, 34540), (2035, 32656), (2041, 32560), (2288, 29045), (2405, 27632), (2512, 26455), (2860, 23236), (2960, 22451), (3140, 21164), (3256, 20410), (3454, 19240), (3848, 17270), (4070, 16328), (4082, 16280), (4810, 13816), (5291, 12560), (5720, 11618), (5809, 11440), (6280, 10582), (6512, 10205), (6908, 9620), (7696, 8635), (8140, 8164)]