66645920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1993}}^1$

素因数の和:2038

約数の個数: 96

約数和(自身を含む): 180895680

約数和(自身を除く): 114249760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 352, 380, 418, 440, 608, 760, 836, 880, 1045, 1520, 1672, 1760, 1993, 2090, 3040, 3344, 3986, 4180, 6688, 7972, 8360, 9965, 15944, 16720, 19930, 21923, 31888, 33440, 37867, 39860, 43846, 63776, 75734, 79720, 87692, 109615, 151468, 159440, 175384, 189335, 219230, 302936, 318880, 350768, 378670, 416537, 438460, 605872, 701536, 757340, 833074, 876920, 1211744, 1514680, 1666148, 1753840, 2082685, 3029360, 3332296, 3507680, 4165370, 6058720, 6664592, 8330740, 13329184, 16661480, 33322960, 66645920]

約数ペア:

[(1, 66645920), (2, 33322960), (4, 16661480), (5, 13329184), (8, 8330740), (10, 6664592), (11, 6058720), (16, 4165370), (19, 3507680), (20, 3332296), (22, 3029360), (32, 2082685), (38, 1753840), (40, 1666148), (44, 1514680), (55, 1211744), (76, 876920), (80, 833074), (88, 757340), (95, 701536), (110, 605872), (152, 438460), (160, 416537), (176, 378670), (190, 350768), (209, 318880), (220, 302936), (304, 219230), (352, 189335), (380, 175384), (418, 159440), (440, 151468), (608, 109615), (760, 87692), (836, 79720), (880, 75734), (1045, 63776), (1520, 43846), (1672, 39860), (1760, 37867), (1993, 33440), (2090, 31888), (3040, 21923), (3344, 19930), (3986, 16720), (4180, 15944), (6688, 9965), (7972, 8360)]