1255893840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{419}}^1$

素因数の和:642

約数の個数: 240

約数和(自身を含む): 4435966080

約数和(自身を除く): 3180072240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 181, 184, 207, 230, 240, 276, 345, 360, 362, 368, 414, 419, 460, 543, 552, 690, 720, 724, 828, 838, 905, 920, 1035, 1086, 1104, 1257, 1380, 1448, 1629, 1656, 1676, 1810, 1840, 2070, 2095, 2172, 2514, 2715, 2760, 2896, 3258, 3312, 3352, 3620, 3771, 4140, 4163, 4190, 4344, 5028, 5430, 5520, 6285, 6516, 6704, 7240, 7542, 8145, 8280, 8326, 8380, 8688, 9637, 10056, 10860, 12489, 12570, 13032, 14480, 15084, 16290, 16560, 16652, 16760, 18855, 19274, 20112, 20815, 21720, 24978, 25140, 26064, 28911, 30168, 32580, 33304, 33520, 37467, 37710, 38548, 41630, 43440, 48185, 49956, 50280, 57822, 60336, 62445, 65160, 66608, 74934, 75420, 75839, 77096, 83260, 86733, 96370, 99912, 100560, 115644, 124890, 130320, 144555, 149868, 150840, 151678, 154192, 166520, 173466, 187335, 192740, 199824, 227517, 231288, 249780, 289110, 299736, 301680, 303356, 333040, 346932, 374670, 379195, 385480, 433665, 455034, 462576, 499560, 578220, 599472, 606712, 682551, 693864, 749340, 758390, 770960, 867330, 910068, 999120, 1137585, 1156440, 1213424, 1365102, 1387728, 1498680, 1516780, 1734660, 1744297, 1820136, 2275170, 2312880, 2730204, 2997360, 3033560, 3412755, 3469320, 3488594, 3640272, 4550340, 5232891, 5460408, 6067120, 6825510, 6938640, 6977188, 8721485, 9100680, 10465782, 10920816, 13651020, 13954376, 15698673, 17442970, 18201360, 20931564, 26164455, 27302040, 27908752, 31397346, 34885940, 41863128, 52328910, 54604080, 62794692, 69771880, 78493365, 83726256, 104657820, 125589384, 139543760, 156986730, 209315640, 251178768, 313973460, 418631280, 627946920, 1255893840]

約数ペア:

[(1, 1255893840), (2, 627946920), (3, 418631280), (4, 313973460), (5, 251178768), (6, 209315640), (8, 156986730), (9, 139543760), (10, 125589384), (12, 104657820), (15, 83726256), (16, 78493365), (18, 69771880), (20, 62794692), (23, 54604080), (24, 52328910), (30, 41863128), (36, 34885940), (40, 31397346), (45, 27908752), (46, 27302040), (48, 26164455), (60, 20931564), (69, 18201360), (72, 17442970), (80, 15698673), (90, 13954376), (92, 13651020), (115, 10920816), (120, 10465782), (138, 9100680), (144, 8721485), (180, 6977188), (181, 6938640), (184, 6825510), (207, 6067120), (230, 5460408), (240, 5232891), (276, 4550340), (345, 3640272), (360, 3488594), (362, 3469320), (368, 3412755), (414, 3033560), (419, 2997360), (460, 2730204), (543, 2312880), (552, 2275170), (690, 1820136), (720, 1744297), (724, 1734660), (828, 1516780), (838, 1498680), (905, 1387728), (920, 1365102), (1035, 1213424), (1086, 1156440), (1104, 1137585), (1257, 999120), (1380, 910068), (1448, 867330), (1629, 770960), (1656, 758390), (1676, 749340), (1810, 693864), (1840, 682551), (2070, 606712), (2095, 599472), (2172, 578220), (2514, 499560), (2715, 462576), (2760, 455034), (2896, 433665), (3258, 385480), (3312, 379195), (3352, 374670), (3620, 346932), (3771, 333040), (4140, 303356), (4163, 301680), (4190, 299736), (4344, 289110), (5028, 249780), (5430, 231288), (5520, 227517), (6285, 199824), (6516, 192740), (6704, 187335), (7240, 173466), (7542, 166520), (8145, 154192), (8280, 151678), (8326, 150840), (8380, 149868), (8688, 144555), (9637, 130320), (10056, 124890), (10860, 115644), (12489, 100560), (12570, 99912), (13032, 96370), (14480, 86733), (15084, 83260), (16290, 77096), (16560, 75839), (16652, 75420), (16760, 74934), (18855, 66608), (19274, 65160), (20112, 62445), (20815, 60336), (21720, 57822), (24978, 50280), (25140, 49956), (26064, 48185), (28911, 43440), (30168, 41630), (32580, 38548), (33304, 37710), (33520, 37467)]