21718676880

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{10463}}^1$

素因数の和:10547

約数の個数: 240

約数和(自身を含む): 77307194880

約数和(自身を除く): 55588518000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 108, 120, 124, 135, 144, 155, 180, 186, 216, 240, 248, 270, 279, 310, 360, 372, 432, 465, 496, 540, 558, 620, 720, 744, 837, 930, 961, 1080, 1116, 1240, 1395, 1488, 1674, 1860, 1922, 2160, 2232, 2480, 2790, 2883, 3348, 3720, 3844, 4185, 4464, 4805, 5580, 5766, 6696, 7440, 7688, 8370, 8649, 9610, 10463, 11160, 11532, 13392, 14415, 15376, 16740, 17298, 19220, 20926, 22320, 23064, 25947, 28830, 31389, 33480, 34596, 38440, 41852, 43245, 46128, 51894, 52315, 57660, 62778, 66960, 69192, 76880, 83704, 86490, 94167, 103788, 104630, 115320, 125556, 129735, 138384, 156945, 167408, 172980, 188334, 207576, 209260, 230640, 251112, 259470, 282501, 313890, 324353, 345960, 376668, 415152, 418520, 470835, 502224, 518940, 565002, 627780, 648706, 691920, 753336, 837040, 941670, 973059, 1037880, 1130004, 1255560, 1297412, 1412505, 1506672, 1621765, 1883340, 1946118, 2075760, 2260008, 2511120, 2594824, 2825010, 2919177, 3243530, 3766680, 3892236, 4520016, 4865295, 5189648, 5650020, 5838354, 6487060, 7533360, 7784472, 8757531, 9730590, 10054943, 11300040, 11676708, 12974120, 14595885, 15568944, 17515062, 19461180, 20109886, 22600080, 23353416, 25948240, 29191770, 30164829, 35030124, 38922360, 40219772, 43787655, 46706832, 50274715, 58383540, 60329658, 70060248, 77844720, 80439544, 87575310, 90494487, 100549430, 116767080, 120659316, 140120496, 150824145, 160879088, 175150620, 180988974, 201098860, 233534160, 241318632, 271483461, 301648290, 350301240, 361977948, 402197720, 452472435, 482637264, 542966922, 603296580, 700602480, 723955896, 804395440, 904944870, 1085933844, 1206593160, 1357417305, 1447911792, 1809889740, 2171867688, 2413186320, 2714834610, 3619779480, 4343735376, 5429669220, 7239558960, 10859338440, 21718676880]

約数ペア:

[(1, 21718676880), (2, 10859338440), (3, 7239558960), (4, 5429669220), (5, 4343735376), (6, 3619779480), (8, 2714834610), (9, 2413186320), (10, 2171867688), (12, 1809889740), (15, 1447911792), (16, 1357417305), (18, 1206593160), (20, 1085933844), (24, 904944870), (27, 804395440), (30, 723955896), (31, 700602480), (36, 603296580), (40, 542966922), (45, 482637264), (48, 452472435), (54, 402197720), (60, 361977948), (62, 350301240), (72, 301648290), (80, 271483461), (90, 241318632), (93, 233534160), (108, 201098860), (120, 180988974), (124, 175150620), (135, 160879088), (144, 150824145), (155, 140120496), (180, 120659316), (186, 116767080), (216, 100549430), (240, 90494487), (248, 87575310), (270, 80439544), (279, 77844720), (310, 70060248), (360, 60329658), (372, 58383540), (432, 50274715), (465, 46706832), (496, 43787655), (540, 40219772), (558, 38922360), (620, 35030124), (720, 30164829), (744, 29191770), (837, 25948240), (930, 23353416), (961, 22600080), (1080, 20109886), (1116, 19461180), (1240, 17515062), (1395, 15568944), (1488, 14595885), (1674, 12974120), (1860, 11676708), (1922, 11300040), (2160, 10054943), (2232, 9730590), (2480, 8757531), (2790, 7784472), (2883, 7533360), (3348, 6487060), (3720, 5838354), (3844, 5650020), (4185, 5189648), (4464, 4865295), (4805, 4520016), (5580, 3892236), (5766, 3766680), (6696, 3243530), (7440, 2919177), (7688, 2825010), (8370, 2594824), (8649, 2511120), (9610, 2260008), (10463, 2075760), (11160, 1946118), (11532, 1883340), (13392, 1621765), (14415, 1506672), (15376, 1412505), (16740, 1297412), (17298, 1255560), (19220, 1130004), (20926, 1037880), (22320, 973059), (23064, 941670), (25947, 837040), (28830, 753336), (31389, 691920), (33480, 648706), (34596, 627780), (38440, 565002), (41852, 518940), (43245, 502224), (46128, 470835), (51894, 418520), (52315, 415152), (57660, 376668), (62778, 345960), (66960, 324353), (69192, 313890), (76880, 282501), (83704, 259470), (86490, 251112), (94167, 230640), (103788, 209260), (104630, 207576), (115320, 188334), (125556, 172980), (129735, 167408), (138384, 156945)]