30681360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1053

約数の個数: 120

約数和(自身を含む): 105540864

約数和(自身を除く): 74859504

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 645, 688, 720, 774, 860, 991, 1032, 1290, 1548, 1720, 1935, 1982, 2064, 2580, 2973, 3096, 3440, 3870, 3964, 4955, 5160, 5946, 6192, 7740, 7928, 8919, 9910, 10320, 11892, 14865, 15480, 15856, 17838, 19820, 23784, 29730, 30960, 35676, 39640, 42613, 44595, 47568, 59460, 71352, 79280, 85226, 89190, 118920, 127839, 142704, 170452, 178380, 213065, 237840, 255678, 340904, 356760, 383517, 426130, 511356, 639195, 681808, 713520, 767034, 852260, 1022712, 1278390, 1534068, 1704520, 1917585, 2045424, 2556780, 3068136, 3409040, 3835170, 5113560, 6136272, 7670340, 10227120, 15340680, 30681360]

約数ペア:

[(1, 30681360), (2, 15340680), (3, 10227120), (4, 7670340), (5, 6136272), (6, 5113560), (8, 3835170), (9, 3409040), (10, 3068136), (12, 2556780), (15, 2045424), (16, 1917585), (18, 1704520), (20, 1534068), (24, 1278390), (30, 1022712), (36, 852260), (40, 767034), (43, 713520), (45, 681808), (48, 639195), (60, 511356), (72, 426130), (80, 383517), (86, 356760), (90, 340904), (120, 255678), (129, 237840), (144, 213065), (172, 178380), (180, 170452), (215, 142704), (240, 127839), (258, 118920), (344, 89190), (360, 85226), (387, 79280), (430, 71352), (516, 59460), (645, 47568), (688, 44595), (720, 42613), (774, 39640), (860, 35676), (991, 30960), (1032, 29730), (1290, 23784), (1548, 19820), (1720, 17838), (1935, 15856), (1982, 15480), (2064, 14865), (2580, 11892), (2973, 10320), (3096, 9910), (3440, 8919), (3870, 7928), (3964, 7740), (4955, 6192), (5160, 5946)]