123142040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:409

約数の個数: 128

約数和(自身を含む): 338688000

約数和(自身を除く): 215545960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 79, 95, 133, 140, 152, 158, 190, 266, 280, 293, 316, 380, 395, 532, 553, 586, 632, 665, 760, 790, 1064, 1106, 1172, 1330, 1465, 1501, 1580, 2051, 2212, 2344, 2660, 2765, 2930, 3002, 3160, 4102, 4424, 5320, 5530, 5567, 5860, 6004, 7505, 8204, 10255, 10507, 11060, 11134, 11720, 12008, 15010, 16408, 20510, 21014, 22120, 22268, 23147, 27835, 30020, 38969, 41020, 42028, 44536, 46294, 52535, 55670, 60040, 77938, 82040, 84056, 92588, 105070, 111340, 115735, 155876, 162029, 185176, 194845, 210140, 222680, 231470, 311752, 324058, 389690, 420280, 439793, 462940, 648116, 779380, 810145, 879586, 925880, 1296232, 1558760, 1620290, 1759172, 2198965, 3078551, 3240580, 3518344, 4397930, 6157102, 6481160, 8795860, 12314204, 15392755, 17591720, 24628408, 30785510, 61571020, 123142040]

約数ペア:

[(1, 123142040), (2, 61571020), (4, 30785510), (5, 24628408), (7, 17591720), (8, 15392755), (10, 12314204), (14, 8795860), (19, 6481160), (20, 6157102), (28, 4397930), (35, 3518344), (38, 3240580), (40, 3078551), (56, 2198965), (70, 1759172), (76, 1620290), (79, 1558760), (95, 1296232), (133, 925880), (140, 879586), (152, 810145), (158, 779380), (190, 648116), (266, 462940), (280, 439793), (293, 420280), (316, 389690), (380, 324058), (395, 311752), (532, 231470), (553, 222680), (586, 210140), (632, 194845), (665, 185176), (760, 162029), (790, 155876), (1064, 115735), (1106, 111340), (1172, 105070), (1330, 92588), (1465, 84056), (1501, 82040), (1580, 77938), (2051, 60040), (2212, 55670), (2344, 52535), (2660, 46294), (2765, 44536), (2930, 42028), (3002, 41020), (3160, 38969), (4102, 30020), (4424, 27835), (5320, 23147), (5530, 22268), (5567, 22120), (5860, 21014), (6004, 20510), (7505, 16408), (8204, 15010), (10255, 12008), (10507, 11720), (11060, 11134)]