66207400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 187086240

約数和(自身を除く): 120878840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 76, 95, 100, 131, 133, 140, 152, 175, 190, 200, 262, 266, 280, 350, 361, 380, 475, 524, 532, 655, 665, 700, 722, 760, 917, 950, 1048, 1064, 1310, 1330, 1400, 1444, 1805, 1834, 1900, 2489, 2527, 2620, 2660, 2888, 3275, 3325, 3610, 3668, 3800, 4585, 4978, 5054, 5240, 5320, 6550, 6650, 7220, 7336, 9025, 9170, 9956, 10108, 12445, 12635, 13100, 13300, 14440, 17423, 18050, 18340, 19912, 20216, 22925, 24890, 25270, 26200, 26600, 34846, 36100, 36680, 45850, 47291, 49780, 50540, 62225, 63175, 69692, 72200, 87115, 91700, 94582, 99560, 101080, 124450, 126350, 139384, 174230, 183400, 189164, 236455, 248900, 252700, 331037, 348460, 378328, 435575, 472910, 497800, 505400, 662074, 696920, 871150, 945820, 1182275, 1324148, 1655185, 1742300, 1891640, 2364550, 2648296, 3310370, 3484600, 4729100, 6620740, 8275925, 9458200, 13241480, 16551850, 33103700, 66207400]

約数ペア:

[(1, 66207400), (2, 33103700), (4, 16551850), (5, 13241480), (7, 9458200), (8, 8275925), (10, 6620740), (14, 4729100), (19, 3484600), (20, 3310370), (25, 2648296), (28, 2364550), (35, 1891640), (38, 1742300), (40, 1655185), (50, 1324148), (56, 1182275), (70, 945820), (76, 871150), (95, 696920), (100, 662074), (131, 505400), (133, 497800), (140, 472910), (152, 435575), (175, 378328), (190, 348460), (200, 331037), (262, 252700), (266, 248900), (280, 236455), (350, 189164), (361, 183400), (380, 174230), (475, 139384), (524, 126350), (532, 124450), (655, 101080), (665, 99560), (700, 94582), (722, 91700), (760, 87115), (917, 72200), (950, 69692), (1048, 63175), (1064, 62225), (1310, 50540), (1330, 49780), (1400, 47291), (1444, 45850), (1805, 36680), (1834, 36100), (1900, 34846), (2489, 26600), (2527, 26200), (2620, 25270), (2660, 24890), (2888, 22925), (3275, 20216), (3325, 19912), (3610, 18340), (3668, 18050), (3800, 17423), (4585, 14440), (4978, 13300), (5054, 13100), (5240, 12635), (5320, 12445), (6550, 10108), (6650, 9956), (7220, 9170), (7336, 9025)]