31312440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:466

約数の個数: 128

約数和(自身を含む): 105984000

約数和(自身を除く): 74671560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 79, 90, 108, 120, 135, 158, 180, 216, 237, 270, 316, 360, 367, 395, 474, 540, 632, 711, 734, 790, 948, 1080, 1101, 1185, 1422, 1468, 1580, 1835, 1896, 2133, 2202, 2370, 2844, 2936, 3160, 3303, 3555, 3670, 4266, 4404, 4740, 5505, 5688, 6606, 7110, 7340, 8532, 8808, 9480, 9909, 10665, 11010, 13212, 14220, 14680, 16515, 17064, 19818, 21330, 22020, 26424, 28440, 28993, 33030, 39636, 42660, 44040, 49545, 57986, 66060, 79272, 85320, 86979, 99090, 115972, 132120, 144965, 173958, 198180, 231944, 260937, 289930, 347916, 396360, 434895, 521874, 579860, 695832, 782811, 869790, 1043748, 1159720, 1304685, 1565622, 1739580, 2087496, 2609370, 3131244, 3479160, 3914055, 5218740, 6262488, 7828110, 10437480, 15656220, 31312440]

約数ペア:

[(1, 31312440), (2, 15656220), (3, 10437480), (4, 7828110), (5, 6262488), (6, 5218740), (8, 3914055), (9, 3479160), (10, 3131244), (12, 2609370), (15, 2087496), (18, 1739580), (20, 1565622), (24, 1304685), (27, 1159720), (30, 1043748), (36, 869790), (40, 782811), (45, 695832), (54, 579860), (60, 521874), (72, 434895), (79, 396360), (90, 347916), (108, 289930), (120, 260937), (135, 231944), (158, 198180), (180, 173958), (216, 144965), (237, 132120), (270, 115972), (316, 99090), (360, 86979), (367, 85320), (395, 79272), (474, 66060), (540, 57986), (632, 49545), (711, 44040), (734, 42660), (790, 39636), (948, 33030), (1080, 28993), (1101, 28440), (1185, 26424), (1422, 22020), (1468, 21330), (1580, 19818), (1835, 17064), (1896, 16515), (2133, 14680), (2202, 14220), (2370, 13212), (2844, 11010), (2936, 10665), (3160, 9909), (3303, 9480), (3555, 8808), (3670, 8532), (4266, 7340), (4404, 7110), (4740, 6606), (5505, 5688)]