667243720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{743}}^1$

素因数の和:935

約数の個数: 128

約数和(自身を含む): 1777386240

約数和(自身を除く): 1110142520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 157, 220, 260, 286, 314, 440, 520, 572, 628, 715, 743, 785, 1144, 1256, 1430, 1486, 1570, 1727, 2041, 2860, 2972, 3140, 3454, 3715, 4082, 5720, 5944, 6280, 6908, 7430, 8164, 8173, 8635, 9659, 10205, 13816, 14860, 16328, 16346, 17270, 19318, 20410, 22451, 29720, 32692, 34540, 38636, 40820, 40865, 44902, 48295, 65384, 69080, 77272, 81640, 81730, 89804, 96590, 106249, 112255, 116651, 163460, 179608, 193180, 212498, 224510, 233302, 326920, 386360, 424996, 449020, 466604, 531245, 583255, 849992, 898040, 933208, 1062490, 1166510, 1283161, 1516463, 2124980, 2333020, 2566322, 3032926, 4249960, 4666040, 5132644, 6065852, 6415805, 7582315, 10265288, 12131704, 12831610, 15164630, 16681093, 25663220, 30329260, 33362186, 51326440, 60658520, 66724372, 83405465, 133448744, 166810930, 333621860, 667243720]

約数ペア:

[(1, 667243720), (2, 333621860), (4, 166810930), (5, 133448744), (8, 83405465), (10, 66724372), (11, 60658520), (13, 51326440), (20, 33362186), (22, 30329260), (26, 25663220), (40, 16681093), (44, 15164630), (52, 12831610), (55, 12131704), (65, 10265288), (88, 7582315), (104, 6415805), (110, 6065852), (130, 5132644), (143, 4666040), (157, 4249960), (220, 3032926), (260, 2566322), (286, 2333020), (314, 2124980), (440, 1516463), (520, 1283161), (572, 1166510), (628, 1062490), (715, 933208), (743, 898040), (785, 849992), (1144, 583255), (1256, 531245), (1430, 466604), (1486, 449020), (1570, 424996), (1727, 386360), (2041, 326920), (2860, 233302), (2972, 224510), (3140, 212498), (3454, 193180), (3715, 179608), (4082, 163460), (5720, 116651), (5944, 112255), (6280, 106249), (6908, 96590), (7430, 89804), (8164, 81730), (8173, 81640), (8635, 77272), (9659, 69080), (10205, 65384), (13816, 48295), (14860, 44902), (16328, 40865), (16346, 40820), (17270, 38636), (19318, 34540), (20410, 32692), (22451, 29720)]