217523280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:246

約数の個数: 240

約数和(自身を含む): 758094336

約数和(自身を除く): 540571056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 39, 40, 48, 52, 60, 62, 65, 78, 80, 93, 104, 120, 124, 130, 155, 156, 169, 173, 186, 195, 208, 240, 248, 260, 310, 312, 338, 346, 372, 390, 403, 465, 496, 507, 519, 520, 620, 624, 676, 692, 744, 780, 806, 845, 865, 930, 1014, 1038, 1040, 1209, 1240, 1352, 1384, 1488, 1560, 1612, 1690, 1730, 1860, 2015, 2028, 2076, 2249, 2418, 2480, 2535, 2595, 2704, 2768, 3120, 3224, 3380, 3460, 3720, 4030, 4056, 4152, 4498, 4836, 5070, 5190, 5239, 5363, 6045, 6448, 6747, 6760, 6920, 7440, 8060, 8112, 8304, 8996, 9672, 10140, 10380, 10478, 10726, 11245, 12090, 13494, 13520, 13840, 15717, 16089, 16120, 17992, 19344, 20280, 20760, 20956, 21452, 22490, 24180, 26195, 26815, 26988, 29237, 31434, 32178, 32240, 33735, 35984, 40560, 41520, 41912, 42904, 44980, 48360, 52390, 53630, 53976, 58474, 62868, 64356, 67470, 69719, 78585, 80445, 83824, 85808, 87711, 89960, 96720, 104780, 107260, 107952, 116948, 125736, 128712, 134940, 139438, 146185, 157170, 160890, 175422, 179920, 209157, 209560, 214520, 233896, 251472, 257424, 269880, 278876, 292370, 314340, 321780, 348595, 350844, 418314, 419120, 429040, 438555, 467792, 539760, 557752, 584740, 628680, 643560, 697190, 701688, 836628, 877110, 906347, 1045785, 1115504, 1169480, 1257360, 1287120, 1394380, 1403376, 1673256, 1754220, 1812694, 2091570, 2338960, 2719041, 2788760, 3346512, 3508440, 3625388, 4183140, 4531735, 5438082, 5577520, 7016880, 7250776, 8366280, 9063470, 10876164, 13595205, 14501552, 16732560, 18126940, 21752328, 27190410, 36253880, 43504656, 54380820, 72507760, 108761640, 217523280]

約数ペア:

[(1, 217523280), (2, 108761640), (3, 72507760), (4, 54380820), (5, 43504656), (6, 36253880), (8, 27190410), (10, 21752328), (12, 18126940), (13, 16732560), (15, 14501552), (16, 13595205), (20, 10876164), (24, 9063470), (26, 8366280), (30, 7250776), (31, 7016880), (39, 5577520), (40, 5438082), (48, 4531735), (52, 4183140), (60, 3625388), (62, 3508440), (65, 3346512), (78, 2788760), (80, 2719041), (93, 2338960), (104, 2091570), (120, 1812694), (124, 1754220), (130, 1673256), (155, 1403376), (156, 1394380), (169, 1287120), (173, 1257360), (186, 1169480), (195, 1115504), (208, 1045785), (240, 906347), (248, 877110), (260, 836628), (310, 701688), (312, 697190), (338, 643560), (346, 628680), (372, 584740), (390, 557752), (403, 539760), (465, 467792), (496, 438555), (507, 429040), (519, 419120), (520, 418314), (620, 350844), (624, 348595), (676, 321780), (692, 314340), (744, 292370), (780, 278876), (806, 269880), (845, 257424), (865, 251472), (930, 233896), (1014, 214520), (1038, 209560), (1040, 209157), (1209, 179920), (1240, 175422), (1352, 160890), (1384, 157170), (1488, 146185), (1560, 139438), (1612, 134940), (1690, 128712), (1730, 125736), (1860, 116948), (2015, 107952), (2028, 107260), (2076, 104780), (2249, 96720), (2418, 89960), (2480, 87711), (2535, 85808), (2595, 83824), (2704, 80445), (2768, 78585), (3120, 69719), (3224, 67470), (3380, 64356), (3460, 62868), (3720, 58474), (4030, 53976), (4056, 53630), (4152, 52390), (4498, 48360), (4836, 44980), (5070, 42904), (5190, 41912), (5239, 41520), (5363, 40560), (6045, 35984), (6448, 33735), (6747, 32240), (6760, 32178), (6920, 31434), (7440, 29237), (8060, 26988), (8112, 26815), (8304, 26195), (8996, 24180), (9672, 22490), (10140, 21452), (10380, 20956), (10478, 20760), (10726, 20280), (11245, 19344), (12090, 17992), (13494, 16120), (13520, 16089), (13840, 15717)]