68416920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1$

素因数の和:487

約数の個数: 256

約数和(自身を含む): 268531200

約数和(自身を除く): 200114280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 18, 20, 22, 24, 26, 27, 30, 33, 36, 39, 40, 44, 45, 52, 54, 55, 60, 65, 66, 72, 78, 88, 90, 99, 104, 108, 110, 117, 120, 130, 132, 135, 143, 156, 165, 180, 195, 198, 216, 220, 234, 260, 264, 270, 286, 297, 312, 330, 351, 360, 390, 396, 429, 440, 443, 468, 495, 520, 540, 572, 585, 594, 660, 702, 715, 780, 792, 858, 886, 936, 990, 1080, 1144, 1170, 1188, 1287, 1320, 1329, 1404, 1430, 1485, 1560, 1716, 1755, 1772, 1980, 2145, 2215, 2340, 2376, 2574, 2658, 2808, 2860, 2970, 3432, 3510, 3544, 3861, 3960, 3987, 4290, 4430, 4680, 4873, 5148, 5316, 5720, 5759, 5940, 6435, 6645, 7020, 7722, 7974, 8580, 8860, 9746, 10296, 10632, 11518, 11880, 11961, 12870, 13290, 14040, 14619, 15444, 15948, 17160, 17277, 17720, 19305, 19492, 19935, 23036, 23922, 24365, 25740, 26580, 28795, 29238, 30888, 31896, 34554, 38610, 38984, 39870, 43857, 46072, 47844, 48730, 51480, 51831, 53160, 57590, 58476, 59805, 63349, 69108, 73095, 77220, 79740, 86385, 87714, 95688, 97460, 103662, 115180, 116952, 119610, 126698, 131571, 138216, 146190, 154440, 155493, 159480, 172770, 175428, 190047, 194920, 207324, 219285, 230360, 239220, 253396, 259155, 263142, 292380, 310986, 316745, 345540, 350856, 380094, 414648, 438570, 478440, 506792, 518310, 526284, 570141, 584760, 621972, 633490, 657855, 691080, 760188, 777465, 877140, 950235, 1036620, 1052568, 1140282, 1243944, 1266980, 1315710, 1520376, 1554930, 1710423, 1754280, 1900470, 2073240, 2280564, 2533960, 2631420, 2850705, 3109860, 3420846, 3800940, 4561128, 5262840, 5701410, 6219720, 6841692, 7601880, 8552115, 11402820, 13683384, 17104230, 22805640, 34208460, 68416920]

約数ペア:

[(1, 68416920), (2, 34208460), (3, 22805640), (4, 17104230), (5, 13683384), (6, 11402820), (8, 8552115), (9, 7601880), (10, 6841692), (11, 6219720), (12, 5701410), (13, 5262840), (15, 4561128), (18, 3800940), (20, 3420846), (22, 3109860), (24, 2850705), (26, 2631420), (27, 2533960), (30, 2280564), (33, 2073240), (36, 1900470), (39, 1754280), (40, 1710423), (44, 1554930), (45, 1520376), (52, 1315710), (54, 1266980), (55, 1243944), (60, 1140282), (65, 1052568), (66, 1036620), (72, 950235), (78, 877140), (88, 777465), (90, 760188), (99, 691080), (104, 657855), (108, 633490), (110, 621972), (117, 584760), (120, 570141), (130, 526284), (132, 518310), (135, 506792), (143, 478440), (156, 438570), (165, 414648), (180, 380094), (195, 350856), (198, 345540), (216, 316745), (220, 310986), (234, 292380), (260, 263142), (264, 259155), (270, 253396), (286, 239220), (297, 230360), (312, 219285), (330, 207324), (351, 194920), (360, 190047), (390, 175428), (396, 172770), (429, 159480), (440, 155493), (443, 154440), (468, 146190), (495, 138216), (520, 131571), (540, 126698), (572, 119610), (585, 116952), (594, 115180), (660, 103662), (702, 97460), (715, 95688), (780, 87714), (792, 86385), (858, 79740), (886, 77220), (936, 73095), (990, 69108), (1080, 63349), (1144, 59805), (1170, 58476), (1188, 57590), (1287, 53160), (1320, 51831), (1329, 51480), (1404, 48730), (1430, 47844), (1485, 46072), (1560, 43857), (1716, 39870), (1755, 38984), (1772, 38610), (1980, 34554), (2145, 31896), (2215, 30888), (2340, 29238), (2376, 28795), (2574, 26580), (2658, 25740), (2808, 24365), (2860, 23922), (2970, 23036), (3432, 19935), (3510, 19492), (3544, 19305), (3861, 17720), (3960, 17277), (3987, 17160), (4290, 15948), (4430, 15444), (4680, 14619), (4873, 14040), (5148, 13290), (5316, 12870), (5720, 11961), (5759, 11880), (5940, 11518), (6435, 10632), (6645, 10296), (7020, 9746), (7722, 8860), (7974, 8580)]