217897680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{907}}^1$

素因数の和:954

約数の個数: 320

約数和(自身を含む): 907941888

約数和(自身を除く): 690044208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 20, 21, 22, 24, 26, 28, 30, 33, 35, 39, 40, 42, 44, 48, 52, 55, 56, 60, 65, 66, 70, 77, 78, 80, 84, 88, 91, 104, 105, 110, 112, 120, 130, 132, 140, 143, 154, 156, 165, 168, 176, 182, 195, 208, 210, 220, 231, 240, 260, 264, 273, 280, 286, 308, 312, 330, 336, 364, 385, 390, 420, 429, 440, 455, 462, 520, 528, 546, 560, 572, 616, 624, 660, 715, 728, 770, 780, 840, 858, 880, 907, 910, 924, 1001, 1040, 1092, 1144, 1155, 1232, 1320, 1365, 1430, 1456, 1540, 1560, 1680, 1716, 1814, 1820, 1848, 2002, 2145, 2184, 2288, 2310, 2640, 2721, 2730, 2860, 3003, 3080, 3120, 3432, 3628, 3640, 3696, 4004, 4290, 4368, 4535, 4620, 5005, 5442, 5460, 5720, 6006, 6160, 6349, 6864, 7256, 7280, 8008, 8580, 9070, 9240, 9977, 10010, 10884, 10920, 11440, 11791, 12012, 12698, 13605, 14512, 15015, 16016, 17160, 18140, 18480, 19047, 19954, 20020, 21768, 21840, 23582, 24024, 25396, 27210, 29931, 30030, 31745, 34320, 35373, 36280, 38094, 39908, 40040, 43536, 47164, 48048, 49885, 50792, 54420, 58955, 59862, 60060, 63490, 69839, 70746, 72560, 76188, 79816, 80080, 82537, 94328, 95235, 99770, 101584, 108840, 117910, 119724, 120120, 126980, 129701, 139678, 141492, 149655, 152376, 159632, 165074, 176865, 188656, 190470, 199540, 209517, 217680, 235820, 239448, 240240, 247611, 253960, 259402, 279356, 282984, 299310, 304752, 330148, 349195, 353730, 380940, 389103, 399080, 412685, 419034, 471640, 478896, 495222, 507920, 518804, 558712, 565968, 598620, 648505, 660296, 698390, 707460, 761880, 778206, 798160, 825370, 838068, 907907, 943280, 990444, 1037608, 1047585, 1117424, 1197240, 1238055, 1297010, 1320592, 1396780, 1414920, 1523760, 1556412, 1650740, 1676136, 1815814, 1945515, 1980888, 2075216, 2095170, 2394480, 2476110, 2594020, 2723721, 2793560, 2829840, 3112824, 3301480, 3352272, 3631628, 3891030, 3961776, 4190340, 4539535, 4952220, 5188040, 5447442, 5587120, 6225648, 6602960, 7263256, 7782060, 8380680, 9079070, 9904440, 10376080, 10894884, 13618605, 14526512, 15564120, 16761360, 18158140, 19808880, 21789768, 27237210, 31128240, 36316280, 43579536, 54474420, 72632560, 108948840, 217897680]

約数ペア:

[(1, 217897680), (2, 108948840), (3, 72632560), (4, 54474420), (5, 43579536), (6, 36316280), (7, 31128240), (8, 27237210), (10, 21789768), (11, 19808880), (12, 18158140), (13, 16761360), (14, 15564120), (15, 14526512), (16, 13618605), (20, 10894884), (21, 10376080), (22, 9904440), (24, 9079070), (26, 8380680), (28, 7782060), (30, 7263256), (33, 6602960), (35, 6225648), (39, 5587120), (40, 5447442), (42, 5188040), (44, 4952220), (48, 4539535), (52, 4190340), (55, 3961776), (56, 3891030), (60, 3631628), (65, 3352272), (66, 3301480), (70, 3112824), (77, 2829840), (78, 2793560), (80, 2723721), (84, 2594020), (88, 2476110), (91, 2394480), (104, 2095170), (105, 2075216), (110, 1980888), (112, 1945515), (120, 1815814), (130, 1676136), (132, 1650740), (140, 1556412), (143, 1523760), (154, 1414920), (156, 1396780), (165, 1320592), (168, 1297010), (176, 1238055), (182, 1197240), (195, 1117424), (208, 1047585), (210, 1037608), (220, 990444), (231, 943280), (240, 907907), (260, 838068), (264, 825370), (273, 798160), (280, 778206), (286, 761880), (308, 707460), (312, 698390), (330, 660296), (336, 648505), (364, 598620), (385, 565968), (390, 558712), (420, 518804), (429, 507920), (440, 495222), (455, 478896), (462, 471640), (520, 419034), (528, 412685), (546, 399080), (560, 389103), (572, 380940), (616, 353730), (624, 349195), (660, 330148), (715, 304752), (728, 299310), (770, 282984), (780, 279356), (840, 259402), (858, 253960), (880, 247611), (907, 240240), (910, 239448), (924, 235820), (1001, 217680), (1040, 209517), (1092, 199540), (1144, 190470), (1155, 188656), (1232, 176865), (1320, 165074), (1365, 159632), (1430, 152376), (1456, 149655), (1540, 141492), (1560, 139678), (1680, 129701), (1716, 126980), (1814, 120120), (1820, 119724), (1848, 117910), (2002, 108840), (2145, 101584), (2184, 99770), (2288, 95235), (2310, 94328), (2640, 82537), (2721, 80080), (2730, 79816), (2860, 76188), (3003, 72560), (3080, 70746), (3120, 69839), (3432, 63490), (3628, 60060), (3640, 59862), (3696, 58955), (4004, 54420), (4290, 50792), (4368, 49885), (4535, 48048), (4620, 47164), (5005, 43536), (5442, 40040), (5460, 39908), (5720, 38094), (6006, 36280), (6160, 35373), (6349, 34320), (6864, 31745), (7256, 30030), (7280, 29931), (8008, 27210), (8580, 25396), (9070, 24024), (9240, 23582), (9977, 21840), (10010, 21768), (10884, 20020), (10920, 19954), (11440, 19047), (11791, 18480), (12012, 18140), (12698, 17160), (13605, 16016), (14512, 15015)]