31997160

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:129

約数の個数: 256

約数和(自身を含む): 119750400

約数和(自身を除く): 87753240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 43, 45, 52, 53, 54, 60, 65, 72, 78, 86, 90, 104, 106, 108, 117, 120, 129, 130, 135, 156, 159, 172, 180, 195, 212, 215, 216, 234, 258, 260, 265, 270, 312, 318, 344, 351, 360, 387, 390, 424, 430, 468, 477, 516, 520, 530, 540, 559, 585, 636, 645, 689, 702, 774, 780, 795, 860, 936, 954, 1032, 1060, 1080, 1118, 1161, 1170, 1272, 1290, 1378, 1404, 1431, 1548, 1560, 1590, 1677, 1720, 1755, 1908, 1935, 2067, 2120, 2236, 2279, 2322, 2340, 2385, 2580, 2756, 2795, 2808, 2862, 3096, 3180, 3354, 3445, 3510, 3816, 3870, 4134, 4472, 4558, 4644, 4680, 4770, 5031, 5160, 5512, 5590, 5724, 5805, 6201, 6360, 6708, 6837, 6890, 7020, 7155, 7740, 8268, 8385, 9116, 9288, 9540, 10062, 10335, 11180, 11395, 11448, 11610, 12402, 13416, 13674, 13780, 14040, 14310, 15093, 15480, 16536, 16770, 18232, 18603, 19080, 20124, 20511, 20670, 22360, 22790, 23220, 24804, 25155, 27348, 27560, 28620, 29627, 30186, 31005, 33540, 34185, 37206, 40248, 41022, 41340, 45580, 46440, 49608, 50310, 54696, 57240, 59254, 60372, 61533, 62010, 67080, 68370, 74412, 75465, 82044, 82680, 88881, 91160, 93015, 100620, 102555, 118508, 120744, 123066, 124020, 136740, 148135, 148824, 150930, 164088, 177762, 186030, 201240, 205110, 237016, 246132, 248040, 266643, 273480, 296270, 301860, 307665, 355524, 372060, 410220, 444405, 492264, 533286, 592540, 603720, 615330, 711048, 744120, 799929, 820440, 888810, 1066572, 1185080, 1230660, 1333215, 1599858, 1777620, 2133144, 2461320, 2666430, 3199716, 3555240, 3999645, 5332860, 6399432, 7999290, 10665720, 15998580, 31997160]

約数ペア:

[(1, 31997160), (2, 15998580), (3, 10665720), (4, 7999290), (5, 6399432), (6, 5332860), (8, 3999645), (9, 3555240), (10, 3199716), (12, 2666430), (13, 2461320), (15, 2133144), (18, 1777620), (20, 1599858), (24, 1333215), (26, 1230660), (27, 1185080), (30, 1066572), (36, 888810), (39, 820440), (40, 799929), (43, 744120), (45, 711048), (52, 615330), (53, 603720), (54, 592540), (60, 533286), (65, 492264), (72, 444405), (78, 410220), (86, 372060), (90, 355524), (104, 307665), (106, 301860), (108, 296270), (117, 273480), (120, 266643), (129, 248040), (130, 246132), (135, 237016), (156, 205110), (159, 201240), (172, 186030), (180, 177762), (195, 164088), (212, 150930), (215, 148824), (216, 148135), (234, 136740), (258, 124020), (260, 123066), (265, 120744), (270, 118508), (312, 102555), (318, 100620), (344, 93015), (351, 91160), (360, 88881), (387, 82680), (390, 82044), (424, 75465), (430, 74412), (468, 68370), (477, 67080), (516, 62010), (520, 61533), (530, 60372), (540, 59254), (559, 57240), (585, 54696), (636, 50310), (645, 49608), (689, 46440), (702, 45580), (774, 41340), (780, 41022), (795, 40248), (860, 37206), (936, 34185), (954, 33540), (1032, 31005), (1060, 30186), (1080, 29627), (1118, 28620), (1161, 27560), (1170, 27348), (1272, 25155), (1290, 24804), (1378, 23220), (1404, 22790), (1431, 22360), (1548, 20670), (1560, 20511), (1590, 20124), (1677, 19080), (1720, 18603), (1755, 18232), (1908, 16770), (1935, 16536), (2067, 15480), (2120, 15093), (2236, 14310), (2279, 14040), (2322, 13780), (2340, 13674), (2385, 13416), (2580, 12402), (2756, 11610), (2795, 11448), (2808, 11395), (2862, 11180), (3096, 10335), (3180, 10062), (3354, 9540), (3445, 9288), (3510, 9116), (3816, 8385), (3870, 8268), (4134, 7740), (4472, 7155), (4558, 7020), (4644, 6890), (4680, 6837), (4770, 6708), (5031, 6360), (5160, 6201), (5512, 5805), (5590, 5724)]