1821342720

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{419}}^1$

素因数の和:730

約数の個数: 176

約数和(自身を含む): 5859987840

約数和(自身を除く): 4038645120

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, 240, 256, 283, 320, 384, 419, 480, 512, 566, 640, 768, 838, 849, 960, 1024, 1132, 1257, 1280, 1415, 1536, 1676, 1698, 1920, 2095, 2264, 2514, 2560, 2830, 3072, 3352, 3396, 3840, 4190, 4245, 4528, 5028, 5120, 5660, 6285, 6704, 6792, 7680, 8380, 8490, 9056, 10056, 11320, 12570, 13408, 13584, 15360, 16760, 16980, 18112, 20112, 22640, 25140, 26816, 27168, 33520, 33960, 36224, 40224, 45280, 50280, 53632, 54336, 67040, 67920, 72448, 80448, 90560, 100560, 107264, 108672, 118577, 134080, 135840, 144896, 160896, 181120, 201120, 214528, 217344, 237154, 268160, 271680, 289792, 321792, 355731, 362240, 402240, 429056, 434688, 474308, 536320, 543360, 592885, 643584, 711462, 724480, 804480, 869376, 948616, 1072640, 1086720, 1185770, 1287168, 1422924, 1448960, 1608960, 1778655, 1897232, 2145280, 2173440, 2371540, 2845848, 3217920, 3557310, 3794464, 4346880, 4743080, 5691696, 6435840, 7114620, 7588928, 9486160, 11383392, 14229240, 15177856, 18972320, 22766784, 28458480, 30355712, 37944640, 45533568, 56916960, 60711424, 75889280, 91067136, 113833920, 121422848, 151778560, 182134272, 227667840, 303557120, 364268544, 455335680, 607114240, 910671360, 1821342720]

約数ペア:

[(1, 1821342720), (2, 910671360), (3, 607114240), (4, 455335680), (5, 364268544), (6, 303557120), (8, 227667840), (10, 182134272), (12, 151778560), (15, 121422848), (16, 113833920), (20, 91067136), (24, 75889280), (30, 60711424), (32, 56916960), (40, 45533568), (48, 37944640), (60, 30355712), (64, 28458480), (80, 22766784), (96, 18972320), (120, 15177856), (128, 14229240), (160, 11383392), (192, 9486160), (240, 7588928), (256, 7114620), (283, 6435840), (320, 5691696), (384, 4743080), (419, 4346880), (480, 3794464), (512, 3557310), (566, 3217920), (640, 2845848), (768, 2371540), (838, 2173440), (849, 2145280), (960, 1897232), (1024, 1778655), (1132, 1608960), (1257, 1448960), (1280, 1422924), (1415, 1287168), (1536, 1185770), (1676, 1086720), (1698, 1072640), (1920, 948616), (2095, 869376), (2264, 804480), (2514, 724480), (2560, 711462), (2830, 643584), (3072, 592885), (3352, 543360), (3396, 536320), (3840, 474308), (4190, 434688), (4245, 429056), (4528, 402240), (5028, 362240), (5120, 355731), (5660, 321792), (6285, 289792), (6704, 271680), (6792, 268160), (7680, 237154), (8380, 217344), (8490, 214528), (9056, 201120), (10056, 181120), (11320, 160896), (12570, 144896), (13408, 135840), (13584, 134080), (15360, 118577), (16760, 108672), (16980, 107264), (18112, 100560), (20112, 90560), (22640, 80448), (25140, 72448), (26816, 67920), (27168, 67040), (33520, 54336), (33960, 53632), (36224, 50280), (40224, 45280)]