20866764240

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{81181}}^1$

素因数の和:81227

約数の個数: 320

約数和(自身を含む): 86975147520

約数和(自身を除く): 66108383280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 27, 28, 30, 34, 35, 36, 40, 42, 45, 48, 51, 54, 56, 60, 63, 68, 70, 72, 80, 84, 85, 90, 102, 105, 108, 112, 119, 120, 126, 135, 136, 140, 144, 153, 168, 170, 180, 189, 204, 210, 216, 238, 240, 252, 255, 270, 272, 280, 306, 315, 336, 340, 357, 360, 378, 408, 420, 432, 459, 476, 504, 510, 540, 560, 595, 612, 630, 680, 714, 720, 756, 765, 816, 840, 918, 945, 952, 1008, 1020, 1071, 1080, 1190, 1224, 1260, 1360, 1428, 1512, 1530, 1680, 1785, 1836, 1890, 1904, 2040, 2142, 2160, 2295, 2380, 2448, 2520, 2856, 3024, 3060, 3213, 3570, 3672, 3780, 4080, 4284, 4590, 4760, 5040, 5355, 5712, 6120, 6426, 7140, 7344, 7560, 8568, 9180, 9520, 10710, 12240, 12852, 14280, 15120, 16065, 17136, 18360, 21420, 25704, 28560, 32130, 36720, 42840, 51408, 64260, 81181, 85680, 128520, 162362, 243543, 257040, 324724, 405905, 487086, 568267, 649448, 730629, 811810, 974172, 1136534, 1217715, 1298896, 1380077, 1461258, 1623620, 1704801, 1948344, 2191887, 2273068, 2435430, 2760154, 2841335, 2922516, 3247240, 3409602, 3653145, 3896688, 4140231, 4383774, 4546136, 4870860, 5114403, 5520308, 5682670, 5845032, 6494480, 6819204, 6900385, 7306290, 8280462, 8524005, 8767548, 9092272, 9660539, 9741720, 10228806, 10959435, 11040616, 11365340, 11690064, 12420693, 13638408, 13800770, 14612580, 15343209, 16560924, 17048010, 17535096, 19321078, 19483440, 20457612, 20701155, 21918870, 22081232, 22730680, 24841386, 25572015, 27276816, 27601540, 28981617, 29225160, 30686418, 33121848, 34096020, 35070192, 37262079, 38642156, 40915224, 41402310, 43837740, 45461360, 48302695, 49682772, 51144030, 55203080, 57963234, 58450320, 61372836, 62103465, 66243696, 68192040, 74524158, 76716045, 77284312, 81830448, 82804620, 86944851, 87675480, 96605390, 99365544, 102288060, 110406160, 115926468, 122745672, 124206930, 136384080, 144908085, 149048316, 153432090, 154568624, 165609240, 173889702, 175350960, 186310395, 193210780, 198731088, 204576120, 231852936, 245491344, 248413860, 260834553, 289816170, 298096632, 306864180, 331218480, 347779404, 372620790, 386421560, 409152240, 434724255, 463705872, 496827720, 521669106, 579632340, 596193264, 613728360, 695558808, 745241580, 772843120, 869448510, 993655440, 1043338212, 1159264680, 1227456720, 1304172765, 1391117616, 1490483160, 1738897020, 2086676424, 2318529360, 2608345530, 2980966320, 3477794040, 4173352848, 5216691060, 6955588080, 10433382120, 20866764240]

約数ペア:

[(1, 20866764240), (2, 10433382120), (3, 6955588080), (4, 5216691060), (5, 4173352848), (6, 3477794040), (7, 2980966320), (8, 2608345530), (9, 2318529360), (10, 2086676424), (12, 1738897020), (14, 1490483160), (15, 1391117616), (16, 1304172765), (17, 1227456720), (18, 1159264680), (20, 1043338212), (21, 993655440), (24, 869448510), (27, 772843120), (28, 745241580), (30, 695558808), (34, 613728360), (35, 596193264), (36, 579632340), (40, 521669106), (42, 496827720), (45, 463705872), (48, 434724255), (51, 409152240), (54, 386421560), (56, 372620790), (60, 347779404), (63, 331218480), (68, 306864180), (70, 298096632), (72, 289816170), (80, 260834553), (84, 248413860), (85, 245491344), (90, 231852936), (102, 204576120), (105, 198731088), (108, 193210780), (112, 186310395), (119, 175350960), (120, 173889702), (126, 165609240), (135, 154568624), (136, 153432090), (140, 149048316), (144, 144908085), (153, 136384080), (168, 124206930), (170, 122745672), (180, 115926468), (189, 110406160), (204, 102288060), (210, 99365544), (216, 96605390), (238, 87675480), (240, 86944851), (252, 82804620), (255, 81830448), (270, 77284312), (272, 76716045), (280, 74524158), (306, 68192040), (315, 66243696), (336, 62103465), (340, 61372836), (357, 58450320), (360, 57963234), (378, 55203080), (408, 51144030), (420, 49682772), (432, 48302695), (459, 45461360), (476, 43837740), (504, 41402310), (510, 40915224), (540, 38642156), (560, 37262079), (595, 35070192), (612, 34096020), (630, 33121848), (680, 30686418), (714, 29225160), (720, 28981617), (756, 27601540), (765, 27276816), (816, 25572015), (840, 24841386), (918, 22730680), (945, 22081232), (952, 21918870), (1008, 20701155), (1020, 20457612), (1071, 19483440), (1080, 19321078), (1190, 17535096), (1224, 17048010), (1260, 16560924), (1360, 15343209), (1428, 14612580), (1512, 13800770), (1530, 13638408), (1680, 12420693), (1785, 11690064), (1836, 11365340), (1890, 11040616), (1904, 10959435), (2040, 10228806), (2142, 9741720), (2160, 9660539), (2295, 9092272), (2380, 8767548), (2448, 8524005), (2520, 8280462), (2856, 7306290), (3024, 6900385), (3060, 6819204), (3213, 6494480), (3570, 5845032), (3672, 5682670), (3780, 5520308), (4080, 5114403), (4284, 4870860), (4590, 4546136), (4760, 4383774), (5040, 4140231), (5355, 3896688), (5712, 3653145), (6120, 3409602), (6426, 3247240), (7140, 2922516), (7344, 2841335), (7560, 2760154), (8568, 2435430), (9180, 2273068), (9520, 2191887), (10710, 1948344), (12240, 1704801), (12852, 1623620), (14280, 1461258), (15120, 1380077), (16065, 1298896), (17136, 1217715), (18360, 1136534), (21420, 974172), (25704, 811810), (28560, 730629), (32130, 649448), (36720, 568267), (42840, 487086), (51408, 405905), (64260, 324724), (81181, 257040), (85680, 243543), (128520, 162362)]