19818846720

素因数分解:

$2^9\times 3^5\times 5^1\times {\mathrm{31859}}^1$

素因数の和:31897

約数の個数: 240

約数和(自身を含む): 71182631520

約数和(自身を除く): 51363784800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 972, 1080, 1152, 1215, 1280, 1296, 1440, 1536, 1620, 1728, 1920, 1944, 2160, 2304, 2430, 2560, 2592, 2880, 3240, 3456, 3840, 3888, 4320, 4608, 4860, 5184, 5760, 6480, 6912, 7680, 7776, 8640, 9720, 10368, 11520, 12960, 13824, 15552, 17280, 19440, 20736, 23040, 25920, 31104, 31859, 34560, 38880, 41472, 51840, 62208, 63718, 69120, 77760, 95577, 103680, 124416, 127436, 155520, 159295, 191154, 207360, 254872, 286731, 311040, 318590, 382308, 477885, 509744, 573462, 622080, 637180, 764616, 860193, 955770, 1019488, 1146924, 1274360, 1433655, 1529232, 1720386, 1911540, 2038976, 2293848, 2548720, 2580579, 2867310, 3058464, 3440772, 3823080, 4077952, 4300965, 4587696, 5097440, 5161158, 5734620, 6116928, 6881544, 7646160, 7741737, 8155904, 8601930, 9175392, 10194880, 10322316, 11469240, 12233856, 12902895, 13763088, 15292320, 15483474, 16311808, 17203860, 18350784, 20389760, 20644632, 22938480, 24467712, 25805790, 27526176, 30584640, 30966948, 34407720, 36701568, 38708685, 40779520, 41289264, 45876960, 48935424, 51611580, 55052352, 61169280, 61933896, 68815440, 73403136, 77417370, 81559040, 82578528, 91753920, 103223160, 110104704, 122338560, 123867792, 137630880, 146806272, 154834740, 165157056, 183507840, 206446320, 220209408, 244677120, 247735584, 275261760, 309669480, 330314112, 367015680, 412892640, 440418816, 495471168, 550523520, 619338960, 660628224, 734031360, 825785280, 990942336, 1101047040, 1238677920, 1321256448, 1651570560, 1981884672, 2202094080, 2477355840, 3303141120, 3963769344, 4954711680, 6606282240, 9909423360, 19818846720]

約数ペア:

[(1, 19818846720), (2, 9909423360), (3, 6606282240), (4, 4954711680), (5, 3963769344), (6, 3303141120), (8, 2477355840), (9, 2202094080), (10, 1981884672), (12, 1651570560), (15, 1321256448), (16, 1238677920), (18, 1101047040), (20, 990942336), (24, 825785280), (27, 734031360), (30, 660628224), (32, 619338960), (36, 550523520), (40, 495471168), (45, 440418816), (48, 412892640), (54, 367015680), (60, 330314112), (64, 309669480), (72, 275261760), (80, 247735584), (81, 244677120), (90, 220209408), (96, 206446320), (108, 183507840), (120, 165157056), (128, 154834740), (135, 146806272), (144, 137630880), (160, 123867792), (162, 122338560), (180, 110104704), (192, 103223160), (216, 91753920), (240, 82578528), (243, 81559040), (256, 77417370), (270, 73403136), (288, 68815440), (320, 61933896), (324, 61169280), (360, 55052352), (384, 51611580), (405, 48935424), (432, 45876960), (480, 41289264), (486, 40779520), (512, 38708685), (540, 36701568), (576, 34407720), (640, 30966948), (648, 30584640), (720, 27526176), (768, 25805790), (810, 24467712), (864, 22938480), (960, 20644632), (972, 20389760), (1080, 18350784), (1152, 17203860), (1215, 16311808), (1280, 15483474), (1296, 15292320), (1440, 13763088), (1536, 12902895), (1620, 12233856), (1728, 11469240), (1920, 10322316), (1944, 10194880), (2160, 9175392), (2304, 8601930), (2430, 8155904), (2560, 7741737), (2592, 7646160), (2880, 6881544), (3240, 6116928), (3456, 5734620), (3840, 5161158), (3888, 5097440), (4320, 4587696), (4608, 4300965), (4860, 4077952), (5184, 3823080), (5760, 3440772), (6480, 3058464), (6912, 2867310), (7680, 2580579), (7776, 2548720), (8640, 2293848), (9720, 2038976), (10368, 1911540), (11520, 1720386), (12960, 1529232), (13824, 1433655), (15552, 1274360), (17280, 1146924), (19440, 1019488), (20736, 955770), (23040, 860193), (25920, 764616), (31104, 637180), (31859, 622080), (34560, 573462), (38880, 509744), (41472, 477885), (51840, 382308), (62208, 318590), (63718, 311040), (69120, 286731), (77760, 254872), (95577, 207360), (103680, 191154), (124416, 159295), (127436, 155520)]