12390280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 35769600

約数和(自身を除く): 23379320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 85, 95, 119, 133, 136, 137, 140, 152, 170, 190, 238, 266, 274, 280, 323, 340, 380, 476, 532, 548, 595, 646, 665, 680, 685, 760, 952, 959, 1064, 1096, 1190, 1292, 1330, 1370, 1615, 1918, 2261, 2329, 2380, 2584, 2603, 2660, 2740, 3230, 3836, 4522, 4658, 4760, 4795, 5206, 5320, 5480, 6460, 7672, 9044, 9316, 9590, 10412, 11305, 11645, 12920, 13015, 16303, 18088, 18221, 18632, 19180, 20824, 22610, 23290, 26030, 32606, 36442, 38360, 44251, 45220, 46580, 52060, 65212, 72884, 81515, 88502, 90440, 91105, 93160, 104120, 130424, 145768, 163030, 177004, 182210, 221255, 309757, 326060, 354008, 364420, 442510, 619514, 652120, 728840, 885020, 1239028, 1548785, 1770040, 2478056, 3097570, 6195140, 12390280]

約数ペア:

[(1, 12390280), (2, 6195140), (4, 3097570), (5, 2478056), (7, 1770040), (8, 1548785), (10, 1239028), (14, 885020), (17, 728840), (19, 652120), (20, 619514), (28, 442510), (34, 364420), (35, 354008), (38, 326060), (40, 309757), (56, 221255), (68, 182210), (70, 177004), (76, 163030), (85, 145768), (95, 130424), (119, 104120), (133, 93160), (136, 91105), (137, 90440), (140, 88502), (152, 81515), (170, 72884), (190, 65212), (238, 52060), (266, 46580), (274, 45220), (280, 44251), (323, 38360), (340, 36442), (380, 32606), (476, 26030), (532, 23290), (548, 22610), (595, 20824), (646, 19180), (665, 18632), (680, 18221), (685, 18088), (760, 16303), (952, 13015), (959, 12920), (1064, 11645), (1096, 11305), (1190, 10412), (1292, 9590), (1330, 9316), (1370, 9044), (1615, 7672), (1918, 6460), (2261, 5480), (2329, 5320), (2380, 5206), (2584, 4795), (2603, 4760), (2660, 4658), (2740, 4522), (3230, 3836)]