81109080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:195

約数の個数: 256

約数和(自身を含む): 299376000

約数和(自身を除く): 218266920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 53, 54, 60, 65, 72, 78, 90, 104, 106, 108, 109, 117, 120, 130, 135, 156, 159, 180, 195, 212, 216, 218, 234, 260, 265, 270, 312, 318, 327, 351, 360, 390, 424, 436, 468, 477, 520, 530, 540, 545, 585, 636, 654, 689, 702, 780, 795, 872, 936, 954, 981, 1060, 1080, 1090, 1170, 1272, 1308, 1378, 1404, 1417, 1431, 1560, 1590, 1635, 1755, 1908, 1962, 2067, 2120, 2180, 2340, 2385, 2616, 2756, 2808, 2834, 2862, 2943, 3180, 3270, 3445, 3510, 3816, 3924, 4134, 4251, 4360, 4680, 4770, 4905, 5512, 5668, 5724, 5777, 5886, 6201, 6360, 6540, 6890, 7020, 7085, 7155, 7848, 8268, 8502, 9540, 9810, 10335, 11336, 11448, 11554, 11772, 12402, 12753, 13080, 13780, 14040, 14170, 14310, 14715, 16536, 17004, 17331, 18603, 19080, 19620, 20670, 21255, 23108, 23544, 24804, 25506, 27560, 28340, 28620, 28885, 29430, 31005, 34008, 34662, 37206, 38259, 39240, 41340, 42510, 46216, 49608, 51012, 51993, 56680, 57240, 57770, 58860, 62010, 63765, 69324, 74412, 75101, 76518, 82680, 85020, 86655, 93015, 102024, 103986, 115540, 117720, 124020, 127530, 138648, 148824, 150202, 153036, 155979, 170040, 173310, 186030, 191295, 207972, 225303, 231080, 248040, 255060, 259965, 300404, 306072, 311958, 346620, 372060, 375505, 382590, 415944, 450606, 510120, 519930, 600808, 623916, 675909, 693240, 744120, 751010, 765180, 779895, 901212, 1039860, 1126515, 1247832, 1351818, 1502020, 1530360, 1559790, 1802424, 2027727, 2079720, 2253030, 2703636, 3004040, 3119580, 3379545, 4055454, 4506060, 5407272, 6239160, 6759090, 8110908, 9012120, 10138635, 13518180, 16221816, 20277270, 27036360, 40554540, 81109080]

約数ペア:

[(1, 81109080), (2, 40554540), (3, 27036360), (4, 20277270), (5, 16221816), (6, 13518180), (8, 10138635), (9, 9012120), (10, 8110908), (12, 6759090), (13, 6239160), (15, 5407272), (18, 4506060), (20, 4055454), (24, 3379545), (26, 3119580), (27, 3004040), (30, 2703636), (36, 2253030), (39, 2079720), (40, 2027727), (45, 1802424), (52, 1559790), (53, 1530360), (54, 1502020), (60, 1351818), (65, 1247832), (72, 1126515), (78, 1039860), (90, 901212), (104, 779895), (106, 765180), (108, 751010), (109, 744120), (117, 693240), (120, 675909), (130, 623916), (135, 600808), (156, 519930), (159, 510120), (180, 450606), (195, 415944), (212, 382590), (216, 375505), (218, 372060), (234, 346620), (260, 311958), (265, 306072), (270, 300404), (312, 259965), (318, 255060), (327, 248040), (351, 231080), (360, 225303), (390, 207972), (424, 191295), (436, 186030), (468, 173310), (477, 170040), (520, 155979), (530, 153036), (540, 150202), (545, 148824), (585, 138648), (636, 127530), (654, 124020), (689, 117720), (702, 115540), (780, 103986), (795, 102024), (872, 93015), (936, 86655), (954, 85020), (981, 82680), (1060, 76518), (1080, 75101), (1090, 74412), (1170, 69324), (1272, 63765), (1308, 62010), (1378, 58860), (1404, 57770), (1417, 57240), (1431, 56680), (1560, 51993), (1590, 51012), (1635, 49608), (1755, 46216), (1908, 42510), (1962, 41340), (2067, 39240), (2120, 38259), (2180, 37206), (2340, 34662), (2385, 34008), (2616, 31005), (2756, 29430), (2808, 28885), (2834, 28620), (2862, 28340), (2943, 27560), (3180, 25506), (3270, 24804), (3445, 23544), (3510, 23108), (3816, 21255), (3924, 20670), (4134, 19620), (4251, 19080), (4360, 18603), (4680, 17331), (4770, 17004), (4905, 16536), (5512, 14715), (5668, 14310), (5724, 14170), (5777, 14040), (5886, 13780), (6201, 13080), (6360, 12753), (6540, 12402), (6890, 11772), (7020, 11554), (7085, 11448), (7155, 11336), (7848, 10335), (8268, 9810), (8502, 9540)]