256201221120

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41389}}^1$

素因数の和:41461

約数の個数: 352

約数和(自身を含む): 910966748160

約数和(自身を除く): 654765527040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 78, 80, 93, 96, 104, 120, 124, 128, 130, 155, 156, 160, 186, 192, 195, 208, 240, 248, 256, 260, 310, 312, 320, 372, 384, 390, 403, 416, 465, 480, 496, 512, 520, 620, 624, 640, 744, 768, 780, 806, 832, 930, 960, 992, 1024, 1040, 1209, 1240, 1248, 1280, 1488, 1536, 1560, 1612, 1664, 1860, 1920, 1984, 2015, 2080, 2418, 2480, 2496, 2560, 2976, 3072, 3120, 3224, 3328, 3720, 3840, 3968, 4030, 4160, 4836, 4960, 4992, 5120, 5952, 6045, 6240, 6448, 6656, 7440, 7680, 7936, 8060, 8320, 9672, 9920, 9984, 11904, 12090, 12480, 12896, 13312, 14880, 15360, 15872, 16120, 16640, 19344, 19840, 19968, 23808, 24180, 24960, 25792, 29760, 31744, 32240, 33280, 38688, 39680, 39936, 41389, 47616, 48360, 49920, 51584, 59520, 64480, 66560, 77376, 79360, 82778, 95232, 96720, 99840, 103168, 119040, 124167, 128960, 154752, 158720, 165556, 193440, 199680, 206336, 206945, 238080, 248334, 257920, 309504, 331112, 386880, 412672, 413890, 476160, 496668, 515840, 538057, 619008, 620835, 662224, 773760, 827780, 993336, 1031680, 1076114, 1238016, 1241670, 1283059, 1324448, 1547520, 1614171, 1655560, 1986672, 2063360, 2152228, 2483340, 2566118, 2648896, 2690285, 3095040, 3228342, 3311120, 3849177, 3973344, 4304456, 4966680, 5132236, 5297792, 5380570, 6190080, 6415295, 6456684, 6622240, 7698354, 7946688, 8070855, 8608912, 9933360, 10264472, 10595584, 10761140, 12830590, 12913368, 13244480, 15396708, 15893376, 16141710, 16679767, 17217824, 19245885, 19866720, 20528944, 21191168, 21522280, 25661180, 25826736, 26488960, 30793416, 31786752, 32283420, 33359534, 34435648, 38491770, 39733440, 41057888, 42382336, 43044560, 50039301, 51322360, 51653472, 52977920, 61586832, 63573504, 64566840, 66719068, 68871296, 76983540, 79466880, 82115776, 83398835, 86089120, 100078602, 102644720, 103306944, 105955840, 123173664, 127147008, 129133680, 133438136, 137742592, 153967080, 158933760, 164231552, 166797670, 172178240, 200157204, 205289440, 206613888, 211911680, 246347328, 250196505, 258267360, 266876272, 275485184, 307934160, 317867520, 328463104, 333595340, 344356480, 400314408, 410578880, 413227776, 492694656, 500393010, 516534720, 533752544, 550970368, 615868320, 635735040, 656926208, 667190680, 688712960, 800628816, 821157760, 826455552, 985389312, 1000786020, 1033069440, 1067505088, 1231736640, 1313852416, 1334381360, 1377425920, 1601257632, 1642315520, 1652911104, 1970778624, 2001572040, 2066138880, 2135010176, 2463473280, 2668762720, 2754851840, 3202515264, 3284631040, 3941557248, 4003144080, 4132277760, 4270020352, 4926946560, 5337525440, 6405030528, 6569262080, 8006288160, 8264555520, 8540040704, 9853893120, 10675050880, 12810061056, 16012576320, 17080081408, 19707786240, 21350101760, 25620122112, 32025152640, 42700203520, 51240244224, 64050305280, 85400407040, 128100610560, 256201221120]

約数ペア:

[(1, 256201221120), (2, 128100610560), (3, 85400407040), (4, 64050305280), (5, 51240244224), (6, 42700203520), (8, 32025152640), (10, 25620122112), (12, 21350101760), (13, 19707786240), (15, 17080081408), (16, 16012576320), (20, 12810061056), (24, 10675050880), (26, 9853893120), (30, 8540040704), (31, 8264555520), (32, 8006288160), (39, 6569262080), (40, 6405030528), (48, 5337525440), (52, 4926946560), (60, 4270020352), (62, 4132277760), (64, 4003144080), (65, 3941557248), (78, 3284631040), (80, 3202515264), (93, 2754851840), (96, 2668762720), (104, 2463473280), (120, 2135010176), (124, 2066138880), (128, 2001572040), (130, 1970778624), (155, 1652911104), (156, 1642315520), (160, 1601257632), (186, 1377425920), (192, 1334381360), (195, 1313852416), (208, 1231736640), (240, 1067505088), (248, 1033069440), (256, 1000786020), (260, 985389312), (310, 826455552), (312, 821157760), (320, 800628816), (372, 688712960), (384, 667190680), (390, 656926208), (403, 635735040), (416, 615868320), (465, 550970368), (480, 533752544), (496, 516534720), (512, 500393010), (520, 492694656), (620, 413227776), (624, 410578880), (640, 400314408), (744, 344356480), (768, 333595340), (780, 328463104), (806, 317867520), (832, 307934160), (930, 275485184), (960, 266876272), (992, 258267360), (1024, 250196505), (1040, 246347328), (1209, 211911680), (1240, 206613888), (1248, 205289440), (1280, 200157204), (1488, 172178240), (1536, 166797670), (1560, 164231552), (1612, 158933760), (1664, 153967080), (1860, 137742592), (1920, 133438136), (1984, 129133680), (2015, 127147008), (2080, 123173664), (2418, 105955840), (2480, 103306944), (2496, 102644720), (2560, 100078602), (2976, 86089120), (3072, 83398835), (3120, 82115776), (3224, 79466880), (3328, 76983540), (3720, 68871296), (3840, 66719068), (3968, 64566840), (4030, 63573504), (4160, 61586832), (4836, 52977920), (4960, 51653472), (4992, 51322360), (5120, 50039301), (5952, 43044560), (6045, 42382336), (6240, 41057888), (6448, 39733440), (6656, 38491770), (7440, 34435648), (7680, 33359534), (7936, 32283420), (8060, 31786752), (8320, 30793416), (9672, 26488960), (9920, 25826736), (9984, 25661180), (11904, 21522280), (12090, 21191168), (12480, 20528944), (12896, 19866720), (13312, 19245885), (14880, 17217824), (15360, 16679767), (15872, 16141710), (16120, 15893376), (16640, 15396708), (19344, 13244480), (19840, 12913368), (19968, 12830590), (23808, 10761140), (24180, 10595584), (24960, 10264472), (25792, 9933360), (29760, 8608912), (31744, 8070855), (32240, 7946688), (33280, 7698354), (38688, 6622240), (39680, 6456684), (39936, 6415295), (41389, 6190080), (47616, 5380570), (48360, 5297792), (49920, 5132236), (51584, 4966680), (59520, 4304456), (64480, 3973344), (66560, 3849177), (77376, 3311120), (79360, 3228342), (82778, 3095040), (95232, 2690285), (96720, 2648896), (99840, 2566118), (103168, 2483340), (119040, 2152228), (124167, 2063360), (128960, 1986672), (154752, 1655560), (158720, 1614171), (165556, 1547520), (193440, 1324448), (199680, 1283059), (206336, 1241670), (206945, 1238016), (238080, 1076114), (248334, 1031680), (257920, 993336), (309504, 827780), (331112, 773760), (386880, 662224), (412672, 620835), (413890, 619008), (476160, 538057), (496668, 515840)]