12840660

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 192

約数和(自身を含む): 47308800

約数和(自身を除く): 34468140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 43, 45, 54, 60, 63, 70, 79, 84, 86, 90, 105, 108, 126, 129, 135, 140, 158, 172, 180, 189, 210, 215, 237, 252, 258, 270, 301, 315, 316, 378, 387, 395, 420, 430, 474, 516, 540, 553, 602, 630, 645, 711, 756, 774, 790, 860, 903, 945, 948, 1106, 1161, 1185, 1204, 1260, 1290, 1422, 1505, 1548, 1580, 1659, 1806, 1890, 1935, 2133, 2212, 2322, 2370, 2580, 2709, 2765, 2844, 3010, 3318, 3397, 3555, 3612, 3780, 3870, 4266, 4515, 4644, 4740, 4977, 5418, 5530, 5805, 6020, 6636, 6794, 7110, 7740, 8127, 8295, 8532, 9030, 9954, 10191, 10665, 10836, 11060, 11610, 13545, 13588, 14220, 14931, 16254, 16590, 16985, 18060, 19908, 20382, 21330, 23220, 23779, 24885, 27090, 29862, 30573, 32508, 33180, 33970, 40635, 40764, 42660, 47558, 49770, 50955, 54180, 59724, 61146, 67940, 71337, 74655, 81270, 91719, 95116, 99540, 101910, 118895, 122292, 142674, 149310, 152865, 162540, 183438, 203820, 214011, 237790, 285348, 298620, 305730, 356685, 366876, 428022, 458595, 475580, 611460, 642033, 713370, 856044, 917190, 1070055, 1284066, 1426740, 1834380, 2140110, 2568132, 3210165, 4280220, 6420330, 12840660]

約数ペア:

[(1, 12840660), (2, 6420330), (3, 4280220), (4, 3210165), (5, 2568132), (6, 2140110), (7, 1834380), (9, 1426740), (10, 1284066), (12, 1070055), (14, 917190), (15, 856044), (18, 713370), (20, 642033), (21, 611460), (27, 475580), (28, 458595), (30, 428022), (35, 366876), (36, 356685), (42, 305730), (43, 298620), (45, 285348), (54, 237790), (60, 214011), (63, 203820), (70, 183438), (79, 162540), (84, 152865), (86, 149310), (90, 142674), (105, 122292), (108, 118895), (126, 101910), (129, 99540), (135, 95116), (140, 91719), (158, 81270), (172, 74655), (180, 71337), (189, 67940), (210, 61146), (215, 59724), (237, 54180), (252, 50955), (258, 49770), (270, 47558), (301, 42660), (315, 40764), (316, 40635), (378, 33970), (387, 33180), (395, 32508), (420, 30573), (430, 29862), (474, 27090), (516, 24885), (540, 23779), (553, 23220), (602, 21330), (630, 20382), (645, 19908), (711, 18060), (756, 16985), (774, 16590), (790, 16254), (860, 14931), (903, 14220), (945, 13588), (948, 13545), (1106, 11610), (1161, 11060), (1185, 10836), (1204, 10665), (1260, 10191), (1290, 9954), (1422, 9030), (1505, 8532), (1548, 8295), (1580, 8127), (1659, 7740), (1806, 7110), (1890, 6794), (1935, 6636), (2133, 6020), (2212, 5805), (2322, 5530), (2370, 5418), (2580, 4977), (2709, 4740), (2765, 4644), (2844, 4515), (3010, 4266), (3318, 3870), (3397, 3780), (3555, 3612)]