261596520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 192

約数和(自身を含む): 899553600

約数和(自身を除く): 637957080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 54, 60, 72, 86, 90, 108, 120, 129, 131, 135, 172, 180, 215, 216, 258, 262, 270, 344, 360, 387, 393, 430, 516, 524, 540, 645, 655, 774, 786, 860, 1032, 1048, 1080, 1161, 1179, 1290, 1310, 1548, 1572, 1720, 1849, 1935, 1965, 2322, 2358, 2580, 2620, 3096, 3144, 3537, 3698, 3870, 3930, 4644, 4716, 5160, 5240, 5547, 5633, 5805, 5895, 7074, 7396, 7740, 7860, 9245, 9288, 9432, 11094, 11266, 11610, 11790, 14148, 14792, 15480, 15720, 16641, 16899, 17685, 18490, 22188, 22532, 23220, 23580, 27735, 28165, 28296, 33282, 33798, 35370, 36980, 44376, 45064, 46440, 47160, 49923, 50697, 55470, 56330, 66564, 67596, 70740, 73960, 83205, 84495, 99846, 101394, 110940, 112660, 133128, 135192, 141480, 152091, 166410, 168990, 199692, 202788, 221880, 225320, 242219, 249615, 253485, 304182, 332820, 337980, 399384, 405576, 484438, 499230, 506970, 608364, 665640, 675960, 726657, 760455, 968876, 998460, 1013940, 1211095, 1216728, 1453314, 1520910, 1937752, 1996920, 2027880, 2179971, 2422190, 2906628, 3041820, 3633285, 4359942, 4844380, 5813256, 6083640, 6539913, 7266570, 8719884, 9688760, 10899855, 13079826, 14533140, 17439768, 21799710, 26159652, 29066280, 32699565, 43599420, 52319304, 65399130, 87198840, 130798260, 261596520]

約数ペア:

[(1, 261596520), (2, 130798260), (3, 87198840), (4, 65399130), (5, 52319304), (6, 43599420), (8, 32699565), (9, 29066280), (10, 26159652), (12, 21799710), (15, 17439768), (18, 14533140), (20, 13079826), (24, 10899855), (27, 9688760), (30, 8719884), (36, 7266570), (40, 6539913), (43, 6083640), (45, 5813256), (54, 4844380), (60, 4359942), (72, 3633285), (86, 3041820), (90, 2906628), (108, 2422190), (120, 2179971), (129, 2027880), (131, 1996920), (135, 1937752), (172, 1520910), (180, 1453314), (215, 1216728), (216, 1211095), (258, 1013940), (262, 998460), (270, 968876), (344, 760455), (360, 726657), (387, 675960), (393, 665640), (430, 608364), (516, 506970), (524, 499230), (540, 484438), (645, 405576), (655, 399384), (774, 337980), (786, 332820), (860, 304182), (1032, 253485), (1048, 249615), (1080, 242219), (1161, 225320), (1179, 221880), (1290, 202788), (1310, 199692), (1548, 168990), (1572, 166410), (1720, 152091), (1849, 141480), (1935, 135192), (1965, 133128), (2322, 112660), (2358, 110940), (2580, 101394), (2620, 99846), (3096, 84495), (3144, 83205), (3537, 73960), (3698, 70740), (3870, 67596), (3930, 66564), (4644, 56330), (4716, 55470), (5160, 50697), (5240, 49923), (5547, 47160), (5633, 46440), (5805, 45064), (5895, 44376), (7074, 36980), (7396, 35370), (7740, 33798), (7860, 33282), (9245, 28296), (9288, 28165), (9432, 27735), (11094, 23580), (11266, 23220), (11610, 22532), (11790, 22188), (14148, 18490), (14792, 17685), (15480, 16899), (15720, 16641)]