68716620

素因数分解:

$2^2\times 3^3\times 5^1\times 7^4\times {\mathrm{53}}^1$

素因数の和:99

約数の個数: 240

約数和(自身を含む): 254106720

約数和(自身を除く): 185390100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 53, 54, 60, 63, 70, 84, 90, 98, 105, 106, 108, 126, 135, 140, 147, 159, 180, 189, 196, 210, 212, 245, 252, 265, 270, 294, 315, 318, 343, 371, 378, 420, 441, 477, 490, 530, 540, 588, 630, 636, 686, 735, 742, 756, 795, 882, 945, 954, 980, 1029, 1060, 1113, 1260, 1323, 1372, 1431, 1470, 1484, 1590, 1715, 1764, 1855, 1890, 1908, 2058, 2205, 2226, 2385, 2401, 2597, 2646, 2862, 2940, 3087, 3180, 3339, 3430, 3710, 3780, 4116, 4410, 4452, 4770, 4802, 5145, 5194, 5292, 5565, 5724, 6174, 6615, 6678, 6860, 7155, 7203, 7420, 7791, 8820, 9261, 9540, 9604, 10017, 10290, 10388, 11130, 12005, 12348, 12985, 13230, 13356, 14310, 14406, 15435, 15582, 16695, 18179, 18522, 20034, 20580, 21609, 22260, 23373, 24010, 25970, 26460, 28620, 28812, 30870, 31164, 33390, 36015, 36358, 37044, 38955, 40068, 43218, 46305, 46746, 48020, 50085, 51940, 54537, 61740, 64827, 66780, 70119, 72030, 72716, 77910, 86436, 90895, 92610, 93492, 100170, 108045, 109074, 116865, 127253, 129654, 140238, 144060, 155820, 163611, 181790, 185220, 200340, 216090, 218148, 233730, 254506, 259308, 272685, 280476, 324135, 327222, 350595, 363580, 381759, 432180, 467460, 490833, 509012, 545370, 636265, 648270, 654444, 701190, 763518, 818055, 981666, 1090740, 1145277, 1272530, 1296540, 1402380, 1527036, 1636110, 1908795, 1963332, 2290554, 2454165, 2545060, 3272220, 3435831, 3817590, 4581108, 4908330, 5726385, 6871662, 7635180, 9816660, 11452770, 13743324, 17179155, 22905540, 34358310, 68716620]

約数ペア:

[(1, 68716620), (2, 34358310), (3, 22905540), (4, 17179155), (5, 13743324), (6, 11452770), (7, 9816660), (9, 7635180), (10, 6871662), (12, 5726385), (14, 4908330), (15, 4581108), (18, 3817590), (20, 3435831), (21, 3272220), (27, 2545060), (28, 2454165), (30, 2290554), (35, 1963332), (36, 1908795), (42, 1636110), (45, 1527036), (49, 1402380), (53, 1296540), (54, 1272530), (60, 1145277), (63, 1090740), (70, 981666), (84, 818055), (90, 763518), (98, 701190), (105, 654444), (106, 648270), (108, 636265), (126, 545370), (135, 509012), (140, 490833), (147, 467460), (159, 432180), (180, 381759), (189, 363580), (196, 350595), (210, 327222), (212, 324135), (245, 280476), (252, 272685), (265, 259308), (270, 254506), (294, 233730), (315, 218148), (318, 216090), (343, 200340), (371, 185220), (378, 181790), (420, 163611), (441, 155820), (477, 144060), (490, 140238), (530, 129654), (540, 127253), (588, 116865), (630, 109074), (636, 108045), (686, 100170), (735, 93492), (742, 92610), (756, 90895), (795, 86436), (882, 77910), (945, 72716), (954, 72030), (980, 70119), (1029, 66780), (1060, 64827), (1113, 61740), (1260, 54537), (1323, 51940), (1372, 50085), (1431, 48020), (1470, 46746), (1484, 46305), (1590, 43218), (1715, 40068), (1764, 38955), (1855, 37044), (1890, 36358), (1908, 36015), (2058, 33390), (2205, 31164), (2226, 30870), (2385, 28812), (2401, 28620), (2597, 26460), (2646, 25970), (2862, 24010), (2940, 23373), (3087, 22260), (3180, 21609), (3339, 20580), (3430, 20034), (3710, 18522), (3780, 18179), (4116, 16695), (4410, 15582), (4452, 15435), (4770, 14406), (4802, 14310), (5145, 13356), (5194, 13230), (5292, 12985), (5565, 12348), (5724, 12005), (6174, 11130), (6615, 10388), (6678, 10290), (6860, 10017), (7155, 9604), (7203, 9540), (7420, 9261), (7791, 8820)]