31310280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{547}}^1$

素因数の和:620

約数の個数: 128

約数和(自身を含む): 106531200

約数和(自身を除く): 75220920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 53, 54, 60, 72, 90, 106, 108, 120, 135, 159, 180, 212, 216, 265, 270, 318, 360, 424, 477, 530, 540, 547, 636, 795, 954, 1060, 1080, 1094, 1272, 1431, 1590, 1641, 1908, 2120, 2188, 2385, 2735, 2862, 3180, 3282, 3816, 4376, 4770, 4923, 5470, 5724, 6360, 6564, 7155, 8205, 9540, 9846, 10940, 11448, 13128, 14310, 14769, 16410, 19080, 19692, 21880, 24615, 28620, 28991, 29538, 32820, 39384, 49230, 57240, 57982, 59076, 65640, 73845, 86973, 98460, 115964, 118152, 144955, 147690, 173946, 196920, 231928, 260919, 289910, 295380, 347892, 434865, 521838, 579820, 590760, 695784, 782757, 869730, 1043676, 1159640, 1304595, 1565514, 1739460, 2087352, 2609190, 3131028, 3478920, 3913785, 5218380, 6262056, 7827570, 10436760, 15655140, 31310280]

約数ペア:

[(1, 31310280), (2, 15655140), (3, 10436760), (4, 7827570), (5, 6262056), (6, 5218380), (8, 3913785), (9, 3478920), (10, 3131028), (12, 2609190), (15, 2087352), (18, 1739460), (20, 1565514), (24, 1304595), (27, 1159640), (30, 1043676), (36, 869730), (40, 782757), (45, 695784), (53, 590760), (54, 579820), (60, 521838), (72, 434865), (90, 347892), (106, 295380), (108, 289910), (120, 260919), (135, 231928), (159, 196920), (180, 173946), (212, 147690), (216, 144955), (265, 118152), (270, 115964), (318, 98460), (360, 86973), (424, 73845), (477, 65640), (530, 59076), (540, 57982), (547, 57240), (636, 49230), (795, 39384), (954, 32820), (1060, 29538), (1080, 28991), (1094, 28620), (1272, 24615), (1431, 21880), (1590, 19692), (1641, 19080), (1908, 16410), (2120, 14769), (2188, 14310), (2385, 13128), (2735, 11448), (2862, 10940), (3180, 9846), (3282, 9540), (3816, 8205), (4376, 7155), (4770, 6564), (4923, 6360), (5470, 5724)]