81316440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:183

約数の個数: 256

約数和(自身を含む): 296524800

約数和(自身を除く): 215208360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 43, 45, 51, 54, 60, 68, 72, 85, 86, 90, 102, 103, 108, 120, 129, 135, 136, 153, 170, 172, 180, 204, 206, 215, 216, 255, 258, 270, 306, 309, 340, 344, 360, 387, 408, 412, 430, 459, 510, 515, 516, 540, 612, 618, 645, 680, 731, 765, 774, 824, 860, 918, 927, 1020, 1030, 1032, 1080, 1161, 1224, 1236, 1290, 1462, 1530, 1545, 1548, 1720, 1751, 1836, 1854, 1935, 2040, 2060, 2193, 2295, 2322, 2472, 2580, 2781, 2924, 3060, 3090, 3096, 3502, 3655, 3672, 3708, 3870, 4120, 4386, 4429, 4590, 4635, 4644, 5160, 5253, 5562, 5805, 5848, 6120, 6180, 6579, 7004, 7310, 7416, 7740, 8755, 8772, 8858, 9180, 9270, 9288, 10506, 10965, 11124, 11610, 12360, 13158, 13287, 13905, 14008, 14620, 15480, 15759, 17510, 17544, 17716, 18360, 18540, 19737, 21012, 21930, 22145, 22248, 23220, 26265, 26316, 26574, 27810, 29240, 31518, 32895, 35020, 35432, 37080, 39474, 39861, 42024, 43860, 44290, 46440, 47277, 52530, 52632, 53148, 55620, 63036, 65790, 66435, 70040, 75293, 78795, 78948, 79722, 87720, 88580, 94554, 98685, 105060, 106296, 111240, 119583, 126072, 131580, 132870, 150586, 157590, 157896, 159444, 177160, 189108, 197370, 199305, 210120, 225879, 236385, 239166, 263160, 265740, 301172, 315180, 318888, 376465, 378216, 394740, 398610, 451758, 472770, 478332, 531480, 597915, 602344, 630360, 677637, 752930, 789480, 797220, 903516, 945540, 956664, 1129395, 1195830, 1355274, 1505860, 1594440, 1807032, 1891080, 2032911, 2258790, 2391660, 2710548, 3011720, 3388185, 4065822, 4517580, 4783320, 5421096, 6776370, 8131644, 9035160, 10164555, 13552740, 16263288, 20329110, 27105480, 40658220, 81316440]

約数ペア:

[(1, 81316440), (2, 40658220), (3, 27105480), (4, 20329110), (5, 16263288), (6, 13552740), (8, 10164555), (9, 9035160), (10, 8131644), (12, 6776370), (15, 5421096), (17, 4783320), (18, 4517580), (20, 4065822), (24, 3388185), (27, 3011720), (30, 2710548), (34, 2391660), (36, 2258790), (40, 2032911), (43, 1891080), (45, 1807032), (51, 1594440), (54, 1505860), (60, 1355274), (68, 1195830), (72, 1129395), (85, 956664), (86, 945540), (90, 903516), (102, 797220), (103, 789480), (108, 752930), (120, 677637), (129, 630360), (135, 602344), (136, 597915), (153, 531480), (170, 478332), (172, 472770), (180, 451758), (204, 398610), (206, 394740), (215, 378216), (216, 376465), (255, 318888), (258, 315180), (270, 301172), (306, 265740), (309, 263160), (340, 239166), (344, 236385), (360, 225879), (387, 210120), (408, 199305), (412, 197370), (430, 189108), (459, 177160), (510, 159444), (515, 157896), (516, 157590), (540, 150586), (612, 132870), (618, 131580), (645, 126072), (680, 119583), (731, 111240), (765, 106296), (774, 105060), (824, 98685), (860, 94554), (918, 88580), (927, 87720), (1020, 79722), (1030, 78948), (1032, 78795), (1080, 75293), (1161, 70040), (1224, 66435), (1236, 65790), (1290, 63036), (1462, 55620), (1530, 53148), (1545, 52632), (1548, 52530), (1720, 47277), (1751, 46440), (1836, 44290), (1854, 43860), (1935, 42024), (2040, 39861), (2060, 39474), (2193, 37080), (2295, 35432), (2322, 35020), (2472, 32895), (2580, 31518), (2781, 29240), (2924, 27810), (3060, 26574), (3090, 26316), (3096, 26265), (3502, 23220), (3655, 22248), (3672, 22145), (3708, 21930), (3870, 21012), (4120, 19737), (4386, 18540), (4429, 18360), (4590, 17716), (4635, 17544), (4644, 17510), (5160, 15759), (5253, 15480), (5562, 14620), (5805, 14008), (5848, 13905), (6120, 13287), (6180, 13158), (6579, 12360), (7004, 11610), (7310, 11124), (7416, 10965), (7740, 10506), (8755, 9288), (8772, 9270), (8858, 9180)]