20578782720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{11701}}^1$

素因数の和:11956

約数の個数: 160

約数和(自身を含む): 66080725920

約数和(自身を除く): 45501943200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 229, 240, 256, 320, 384, 458, 480, 512, 640, 687, 768, 916, 960, 1145, 1280, 1374, 1536, 1832, 1920, 2290, 2560, 2748, 3435, 3664, 3840, 4580, 5496, 6870, 7328, 7680, 9160, 10992, 11701, 13740, 14656, 18320, 21984, 23402, 27480, 29312, 35103, 36640, 43968, 46804, 54960, 58505, 58624, 70206, 73280, 87936, 93608, 109920, 117010, 117248, 140412, 146560, 175515, 175872, 187216, 219840, 234020, 280824, 293120, 351030, 351744, 374432, 439680, 468040, 561648, 586240, 702060, 748864, 879360, 936080, 1123296, 1404120, 1497728, 1758720, 1872160, 2246592, 2679529, 2808240, 2995456, 3744320, 4493184, 5359058, 5616480, 5990912, 7488640, 8038587, 8986368, 10718116, 11232960, 13397645, 14977280, 16077174, 17972736, 21436232, 22465920, 26795290, 29954560, 32154348, 40192935, 42872464, 44931840, 53590580, 64308696, 80385870, 85744928, 89863680, 107181160, 128617392, 160771740, 171489856, 214362320, 257234784, 321543480, 342979712, 428724640, 514469568, 643086960, 685959424, 857449280, 1028939136, 1286173920, 1371918848, 1714898560, 2057878272, 2572347840, 3429797120, 4115756544, 5144695680, 6859594240, 10289391360, 20578782720]

約数ペア:

[(1, 20578782720), (2, 10289391360), (3, 6859594240), (4, 5144695680), (5, 4115756544), (6, 3429797120), (8, 2572347840), (10, 2057878272), (12, 1714898560), (15, 1371918848), (16, 1286173920), (20, 1028939136), (24, 857449280), (30, 685959424), (32, 643086960), (40, 514469568), (48, 428724640), (60, 342979712), (64, 321543480), (80, 257234784), (96, 214362320), (120, 171489856), (128, 160771740), (160, 128617392), (192, 107181160), (229, 89863680), (240, 85744928), (256, 80385870), (320, 64308696), (384, 53590580), (458, 44931840), (480, 42872464), (512, 40192935), (640, 32154348), (687, 29954560), (768, 26795290), (916, 22465920), (960, 21436232), (1145, 17972736), (1280, 16077174), (1374, 14977280), (1536, 13397645), (1832, 11232960), (1920, 10718116), (2290, 8986368), (2560, 8038587), (2748, 7488640), (3435, 5990912), (3664, 5616480), (3840, 5359058), (4580, 4493184), (5496, 3744320), (6870, 2995456), (7328, 2808240), (7680, 2679529), (9160, 2246592), (10992, 1872160), (11701, 1758720), (13740, 1497728), (14656, 1404120), (18320, 1123296), (21984, 936080), (23402, 879360), (27480, 748864), (29312, 702060), (35103, 586240), (36640, 561648), (43968, 468040), (46804, 439680), (54960, 374432), (58505, 351744), (58624, 351030), (70206, 293120), (73280, 280824), (87936, 234020), (93608, 219840), (109920, 187216), (117010, 175872), (117248, 175515), (140412, 146560)]