18105310080

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:500

約数の個数: 1024

約数和(自身を含む): 79949721600

約数和(自身を除く): 61844411520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 17, 18, 20, 22, 24, 26, 27, 30, 32, 33, 34, 36, 39, 40, 44, 45, 48, 51, 52, 54, 55, 60, 64, 65, 66, 68, 72, 78, 80, 85, 88, 90, 96, 99, 102, 104, 108, 110, 117, 120, 128, 130, 132, 135, 136, 143, 144, 153, 156, 160, 165, 170, 176, 180, 187, 192, 195, 198, 204, 208, 216, 220, 221, 234, 240, 255, 260, 264, 270, 272, 286, 288, 297, 306, 312, 320, 330, 340, 351, 352, 360, 374, 384, 390, 396, 408, 416, 429, 431, 432, 440, 442, 459, 468, 480, 495, 510, 520, 528, 540, 544, 561, 572, 576, 585, 594, 612, 624, 640, 660, 663, 680, 702, 704, 715, 720, 748, 765, 780, 792, 816, 832, 858, 862, 864, 880, 884, 918, 935, 936, 960, 990, 1020, 1040, 1056, 1080, 1088, 1105, 1122, 1144, 1152, 1170, 1188, 1224, 1248, 1287, 1293, 1320, 1326, 1360, 1404, 1408, 1430, 1440, 1485, 1496, 1530, 1560, 1584, 1632, 1664, 1683, 1716, 1724, 1728, 1755, 1760, 1768, 1836, 1870, 1872, 1920, 1980, 1989, 2040, 2080, 2112, 2145, 2155, 2160, 2176, 2210, 2244, 2288, 2295, 2340, 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約数ペア:

[(1, 18105310080), (2, 9052655040), (3, 6035103360), (4, 4526327520), (5, 3621062016), (6, 3017551680), (8, 2263163760), (9, 2011701120), (10, 1810531008), (11, 1645937280), (12, 1508775840), (13, 1392716160), (15, 1207020672), (16, 1131581880), (17, 1065018240), (18, 1005850560), (20, 905265504), (22, 822968640), (24, 754387920), (26, 696358080), (27, 670567040), (30, 603510336), (32, 565790940), (33, 548645760), (34, 532509120), (36, 502925280), (39, 464238720), (40, 452632752), (44, 411484320), (45, 402340224), (48, 377193960), (51, 355006080), (52, 348179040), (54, 335283520), (55, 329187456), (60, 301755168), (64, 282895470), (65, 278543232), (66, 274322880), (68, 266254560), (72, 251462640), (78, 232119360), (80, 226316376), (85, 213003648), (88, 205742160), (90, 201170112), (96, 188596980), (99, 182881920), (102, 177503040), (104, 174089520), (108, 167641760), (110, 164593728), (117, 154746240), (120, 150877584), (128, 141447735), (130, 139271616), (132, 137161440), (135, 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(73440, 246532), (74880, 241791), (75856, 238680), (77220, 234464), (77580, 233376), (77792, 232740), (79560, 227568), (80597, 224640), (80784, 224120), (82368, 219810), (82752, 218790), (84045, 215424), (84864, 213345), (85338, 212160), (87516, 206880), (87924, 205920), (89648, 201960), (89760, 201708), (91520, 197829), (93096, 194480), (94820, 190944), (95040, 190502), (95251, 190080), (95472, 189640), (97240, 186192), (97920, 184899), (100854, 179520), (100980, 179296), (102960, 175848), (103440, 175032), (106080, 170676), (107712, 168090), (109395, 165504), (109905, 164736), (112060, 161568), (112320, 161194), (113784, 159120), (116370, 155584), (116688, 155160), (117232, 154440), (119340, 151712), (119680, 151281), (123266, 146880), (123552, 146540), (124128, 145860), (127296, 142230), (128007, 141440), (131274, 137920), (131886, 137280), (134472, 134640)]