254431520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:152

約数の個数: 288

約数和(自身を含む): 781861248

約数和(自身を除く): 527429728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 23, 28, 32, 34, 35, 40, 46, 49, 56, 68, 70, 80, 83, 85, 92, 98, 112, 115, 119, 136, 140, 160, 161, 166, 170, 184, 196, 224, 230, 238, 245, 272, 280, 322, 332, 340, 368, 391, 392, 415, 460, 476, 490, 544, 560, 581, 595, 644, 664, 680, 736, 782, 784, 805, 830, 833, 920, 952, 980, 1120, 1127, 1162, 1190, 1288, 1328, 1360, 1411, 1564, 1568, 1610, 1660, 1666, 1840, 1904, 1909, 1955, 1960, 2254, 2324, 2380, 2576, 2656, 2720, 2737, 2822, 2905, 3128, 3220, 3320, 3332, 3680, 3808, 3818, 3910, 3920, 4067, 4165, 4508, 4648, 4760, 5152, 5474, 5635, 5644, 5810, 6256, 6440, 6640, 6664, 7055, 7636, 7820, 7840, 8134, 8330, 9016, 9296, 9520, 9545, 9877, 10948, 11270, 11288, 11620, 12512, 12880, 13280, 13328, 13363, 13685, 14110, 15272, 15640, 16268, 16660, 18032, 18592, 19040, 19090, 19159, 19754, 20335, 21896, 22540, 22576, 23240, 25760, 26656, 26726, 27370, 28220, 30544, 31280, 32453, 32536, 33320, 36064, 38180, 38318, 39508, 40670, 43792, 45080, 45152, 46480, 49385, 53452, 54740, 56440, 61088, 62560, 64906, 65072, 66640, 66815, 69139, 76360, 76636, 79016, 81340, 87584, 90160, 92960, 93541, 95795, 98770, 106904, 109480, 112880, 129812, 130144, 133280, 133630, 138278, 152720, 153272, 158032, 162265, 162680, 180320, 187082, 191590, 197540, 213808, 218960, 225760, 227171, 259624, 267260, 276556, 305440, 306544, 316064, 324530, 325360, 345695, 374164, 383180, 395080, 427616, 437920, 454342, 467705, 519248, 534520, 553112, 613088, 649060, 650720, 691390, 748328, 766360, 790160, 908684, 935410, 1038496, 1069040, 1106224, 1135855, 1298120, 1382780, 1496656, 1532720, 1580320, 1590197, 1817368, 1870820, 2138080, 2212448, 2271710, 2596240, 2765560, 2993312, 3065440, 3180394, 3634736, 3741640, 4543420, 5192480, 5531120, 6360788, 7269472, 7483280, 7950985, 9086840, 11062240, 12721576, 14966560, 15901970, 18173680, 25443152, 31803940, 36347360, 50886304, 63607880, 127215760, 254431520]

約数ペア:

[(1, 254431520), (2, 127215760), (4, 63607880), (5, 50886304), (7, 36347360), (8, 31803940), (10, 25443152), (14, 18173680), (16, 15901970), (17, 14966560), (20, 12721576), (23, 11062240), (28, 9086840), (32, 7950985), (34, 7483280), (35, 7269472), (40, 6360788), (46, 5531120), (49, 5192480), (56, 4543420), (68, 3741640), (70, 3634736), (80, 3180394), (83, 3065440), (85, 2993312), (92, 2765560), (98, 2596240), (112, 2271710), (115, 2212448), (119, 2138080), (136, 1870820), (140, 1817368), (160, 1590197), (161, 1580320), (166, 1532720), (170, 1496656), (184, 1382780), (196, 1298120), (224, 1135855), (230, 1106224), (238, 1069040), (245, 1038496), (272, 935410), (280, 908684), (322, 790160), (332, 766360), (340, 748328), (368, 691390), (391, 650720), (392, 649060), (415, 613088), (460, 553112), (476, 534520), (490, 519248), (544, 467705), (560, 454342), (581, 437920), (595, 427616), (644, 395080), (664, 383180), (680, 374164), (736, 345695), (782, 325360), (784, 324530), (805, 316064), (830, 306544), (833, 305440), (920, 276556), (952, 267260), (980, 259624), (1120, 227171), (1127, 225760), (1162, 218960), (1190, 213808), (1288, 197540), (1328, 191590), (1360, 187082), (1411, 180320), (1564, 162680), (1568, 162265), (1610, 158032), (1660, 153272), (1666, 152720), (1840, 138278), (1904, 133630), (1909, 133280), (1955, 130144), (1960, 129812), (2254, 112880), (2324, 109480), (2380, 106904), (2576, 98770), (2656, 95795), (2720, 93541), (2737, 92960), (2822, 90160), (2905, 87584), (3128, 81340), (3220, 79016), (3320, 76636), (3332, 76360), (3680, 69139), (3808, 66815), (3818, 66640), (3910, 65072), (3920, 64906), (4067, 62560), (4165, 61088), (4508, 56440), (4648, 54740), (4760, 53452), (5152, 49385), (5474, 46480), (5635, 45152), (5644, 45080), (5810, 43792), (6256, 40670), (6440, 39508), (6640, 38318), (6664, 38180), (7055, 36064), (7636, 33320), (7820, 32536), (7840, 32453), (8134, 31280), (8330, 30544), (9016, 28220), (9296, 27370), (9520, 26726), (9545, 26656), (9877, 25760), (10948, 23240), (11270, 22576), (11288, 22540), (11620, 21896), (12512, 20335), (12880, 19754), (13280, 19159), (13328, 19090), (13363, 19040), (13685, 18592), (14110, 18032), (15272, 16660), (15640, 16268)]