31370220

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:261

約数の個数: 192

約数和(自身を含む): 114723840

約数和(自身を除く): 83353620

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, 84, 86, 90, 105, 108, 126, 129, 135, 140, 172, 180, 189, 193, 210, 215, 252, 258, 270, 301, 315, 378, 386, 387, 420, 430, 516, 540, 579, 602, 630, 645, 756, 772, 774, 860, 903, 945, 965, 1158, 1161, 1204, 1260, 1290, 1351, 1505, 1548, 1737, 1806, 1890, 1930, 1935, 2316, 2322, 2580, 2702, 2709, 2895, 3010, 3474, 3612, 3780, 3860, 3870, 4053, 4515, 4644, 5211, 5404, 5418, 5790, 5805, 6020, 6755, 6948, 7740, 8106, 8127, 8299, 8685, 9030, 10422, 10836, 11580, 11610, 12159, 13510, 13545, 16212, 16254, 16598, 17370, 18060, 20265, 20844, 23220, 24318, 24897, 26055, 27020, 27090, 32508, 33196, 34740, 36477, 40530, 40635, 41495, 48636, 49794, 52110, 54180, 58093, 60795, 72954, 74691, 81060, 81270, 82990, 99588, 104220, 116186, 121590, 124485, 145908, 149382, 162540, 165980, 174279, 182385, 224073, 232372, 243180, 248970, 290465, 298764, 348558, 364770, 373455, 448146, 497940, 522837, 580930, 697116, 729540, 746910, 871395, 896292, 1045674, 1120365, 1161860, 1493820, 1568511, 1742790, 2091348, 2240730, 2614185, 3137022, 3485580, 4481460, 5228370, 6274044, 7842555, 10456740, 15685110, 31370220]

約数ペア:

[(1, 31370220), (2, 15685110), (3, 10456740), (4, 7842555), (5, 6274044), (6, 5228370), (7, 4481460), (9, 3485580), (10, 3137022), (12, 2614185), (14, 2240730), (15, 2091348), (18, 1742790), (20, 1568511), (21, 1493820), (27, 1161860), (28, 1120365), (30, 1045674), (35, 896292), (36, 871395), (42, 746910), (43, 729540), (45, 697116), (54, 580930), (60, 522837), (63, 497940), (70, 448146), (84, 373455), (86, 364770), (90, 348558), (105, 298764), (108, 290465), (126, 248970), (129, 243180), (135, 232372), (140, 224073), (172, 182385), (180, 174279), (189, 165980), (193, 162540), (210, 149382), (215, 145908), (252, 124485), (258, 121590), (270, 116186), (301, 104220), (315, 99588), (378, 82990), (386, 81270), (387, 81060), (420, 74691), (430, 72954), (516, 60795), (540, 58093), (579, 54180), (602, 52110), (630, 49794), (645, 48636), (756, 41495), (772, 40635), (774, 40530), (860, 36477), (903, 34740), (945, 33196), (965, 32508), (1158, 27090), (1161, 27020), (1204, 26055), (1260, 24897), (1290, 24318), (1351, 23220), (1505, 20844), (1548, 20265), (1737, 18060), (1806, 17370), (1890, 16598), (1930, 16254), (1935, 16212), (2316, 13545), (2322, 13510), (2580, 12159), (2702, 11610), (2709, 11580), (2895, 10836), (3010, 10422), (3474, 9030), (3612, 8685), (3780, 8299), (3860, 8127), (3870, 8106), (4053, 7740), (4515, 6948), (4644, 6755), (5211, 6020), (5404, 5805), (5418, 5790)]