256803120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:313

約数の個数: 360

約数和(自身を含む): 1041964560

約数和(自身を除く): 785161440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 29, 30, 35, 36, 40, 42, 45, 48, 49, 56, 58, 60, 63, 70, 72, 80, 84, 87, 90, 98, 105, 112, 116, 120, 126, 140, 144, 145, 147, 168, 174, 180, 196, 203, 210, 232, 240, 245, 251, 252, 261, 280, 290, 294, 315, 336, 348, 360, 392, 406, 420, 435, 441, 464, 490, 502, 504, 522, 560, 580, 588, 609, 630, 696, 720, 735, 753, 784, 812, 840, 870, 882, 980, 1004, 1008, 1015, 1044, 1160, 1176, 1218, 1255, 1260, 1305, 1392, 1421, 1470, 1506, 1624, 1680, 1740, 1757, 1764, 1827, 1960, 2008, 2030, 2088, 2205, 2259, 2320, 2352, 2436, 2510, 2520, 2610, 2842, 2940, 3012, 3045, 3248, 3480, 3514, 3528, 3654, 3765, 3920, 4016, 4060, 4176, 4263, 4410, 4518, 4872, 5020, 5040, 5220, 5271, 5684, 5880, 6024, 6090, 6960, 7028, 7056, 7105, 7279, 7308, 7530, 8120, 8526, 8785, 8820, 9036, 9135, 9744, 10040, 10440, 10542, 11295, 11368, 11760, 12048, 12180, 12299, 12789, 14056, 14210, 14558, 14616, 15060, 15813, 16240, 17052, 17570, 17640, 18072, 18270, 20080, 20880, 21084, 21315, 21837, 22590, 22736, 24360, 24598, 25578, 26355, 28112, 28420, 29116, 29232, 30120, 31626, 34104, 35140, 35280, 36144, 36395, 36540, 36897, 42168, 42630, 43674, 45180, 48720, 49196, 50953, 51156, 52710, 56840, 58232, 60240, 61495, 63252, 63945, 65511, 68208, 70280, 72790, 73080, 73794, 79065, 84336, 85260, 87348, 90360, 98392, 101906, 102312, 105420, 109185, 110691, 113680, 116464, 122990, 126504, 127890, 131022, 140560, 145580, 146160, 147588, 152859, 158130, 170520, 174696, 180720, 184485, 196784, 203812, 204624, 210840, 218370, 221382, 245980, 253008, 254765, 255780, 262044, 291160, 295176, 305718, 316260, 327555, 341040, 349392, 356671, 368970, 407624, 421680, 436740, 442764, 458577, 491960, 509530, 511560, 524088, 553455, 582320, 590352, 611436, 632520, 655110, 713342, 737940, 764295, 815248, 873480, 885528, 917154, 983920, 1019060, 1023120, 1048176, 1070013, 1106910, 1222872, 1265040, 1310220, 1426684, 1475880, 1528590, 1746960, 1771056, 1783355, 1834308, 2038120, 2140026, 2213820, 2292885, 2445744, 2620440, 2853368, 2951760, 3057180, 3210039, 3566710, 3668616, 4076240, 4280052, 4427640, 4585770, 5240880, 5350065, 5706736, 6114360, 6420078, 7133420, 7337232, 8560104, 8855280, 9171540, 10700130, 12228720, 12840156, 14266840, 16050195, 17120208, 18343080, 21400260, 25680312, 28533680, 32100390, 36686160, 42800520, 51360624, 64200780, 85601040, 128401560, 256803120]

約数ペア:

[(1, 256803120), (2, 128401560), (3, 85601040), (4, 64200780), (5, 51360624), (6, 42800520), (7, 36686160), (8, 32100390), (9, 28533680), (10, 25680312), (12, 21400260), (14, 18343080), (15, 17120208), (16, 16050195), (18, 14266840), (20, 12840156), (21, 12228720), (24, 10700130), (28, 9171540), (29, 8855280), (30, 8560104), (35, 7337232), (36, 7133420), (40, 6420078), (42, 6114360), (45, 5706736), (48, 5350065), (49, 5240880), (56, 4585770), (58, 4427640), (60, 4280052), (63, 4076240), (70, 3668616), (72, 3566710), (80, 3210039), (84, 3057180), (87, 2951760), (90, 2853368), (98, 2620440), (105, 2445744), (112, 2292885), (116, 2213820), (120, 2140026), (126, 2038120), (140, 1834308), (144, 1783355), (145, 1771056), (147, 1746960), (168, 1528590), (174, 1475880), (180, 1426684), (196, 1310220), (203, 1265040), (210, 1222872), (232, 1106910), (240, 1070013), (245, 1048176), (251, 1023120), (252, 1019060), (261, 983920), (280, 917154), (290, 885528), (294, 873480), (315, 815248), (336, 764295), (348, 737940), (360, 713342), (392, 655110), (406, 632520), (420, 611436), (435, 590352), (441, 582320), (464, 553455), (490, 524088), (502, 511560), (504, 509530), (522, 491960), (560, 458577), (580, 442764), (588, 436740), (609, 421680), (630, 407624), (696, 368970), (720, 356671), (735, 349392), (753, 341040), (784, 327555), (812, 316260), (840, 305718), (870, 295176), (882, 291160), (980, 262044), (1004, 255780), (1008, 254765), (1015, 253008), (1044, 245980), (1160, 221382), (1176, 218370), (1218, 210840), (1255, 204624), (1260, 203812), (1305, 196784), (1392, 184485), (1421, 180720), (1470, 174696), (1506, 170520), (1624, 158130), (1680, 152859), (1740, 147588), (1757, 146160), (1764, 145580), (1827, 140560), (1960, 131022), (2008, 127890), (2030, 126504), (2088, 122990), (2205, 116464), (2259, 113680), (2320, 110691), (2352, 109185), (2436, 105420), (2510, 102312), (2520, 101906), (2610, 98392), (2842, 90360), (2940, 87348), (3012, 85260), (3045, 84336), (3248, 79065), (3480, 73794), (3514, 73080), (3528, 72790), (3654, 70280), (3765, 68208), (3920, 65511), (4016, 63945), (4060, 63252), (4176, 61495), (4263, 60240), (4410, 58232), (4518, 56840), (4872, 52710), (5020, 51156), (5040, 50953), (5220, 49196), (5271, 48720), (5684, 45180), (5880, 43674), (6024, 42630), (6090, 42168), (6960, 36897), (7028, 36540), (7056, 36395), (7105, 36144), (7279, 35280), (7308, 35140), (7530, 34104), (8120, 31626), (8526, 30120), (8785, 29232), (8820, 29116), (9036, 28420), (9135, 28112), (9744, 26355), (10040, 25578), (10440, 24598), (10542, 24360), (11295, 22736), (11368, 22590), (11760, 21837), (12048, 21315), (12180, 21084), (12299, 20880), (12789, 20080), (14056, 18270), (14210, 18072), (14558, 17640), (14616, 17570), (15060, 17052), (15813, 16240)]