258390720

素因数分解:

$2^6\times 3^2\times 5^1\times 7^2\times {\mathrm{1831}}^1$

素因数の和:1868

約数の個数: 252

約数和(自身を含む): 1034424144

約数和(自身を除く): 776033424

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 392, 420, 441, 448, 480, 490, 504, 560, 576, 588, 630, 672, 720, 735, 784, 840, 882, 960, 980, 1008, 1120, 1176, 1260, 1344, 1440, 1470, 1568, 1680, 1764, 1831, 1960, 2016, 2205, 2240, 2352, 2520, 2880, 2940, 3136, 3360, 3528, 3662, 3920, 4032, 4410, 4704, 5040, 5493, 5880, 6720, 7056, 7324, 7840, 8820, 9155, 9408, 10080, 10986, 11760, 12817, 14112, 14648, 15680, 16479, 17640, 18310, 20160, 21972, 23520, 25634, 27465, 28224, 29296, 32958, 35280, 36620, 38451, 43944, 47040, 51268, 54930, 58592, 64085, 65916, 70560, 73240, 76902, 82395, 87888, 89719, 102536, 109860, 115353, 117184, 128170, 131832, 141120, 146480, 153804, 164790, 175776, 179438, 192255, 205072, 219720, 230706, 256340, 263664, 269157, 292960, 307608, 329580, 351552, 358876, 384510, 410144, 439440, 448595, 461412, 512680, 527328, 538314, 576765, 585920, 615216, 659160, 717752, 769020, 807471, 820288, 878880, 897190, 922824, 1025360, 1054656, 1076628, 1153530, 1230432, 1318320, 1345785, 1435504, 1538040, 1614942, 1757760, 1794380, 1845648, 2050720, 2153256, 2307060, 2460864, 2636640, 2691570, 2871008, 3076080, 3229884, 3588760, 3691296, 4037355, 4101440, 4306512, 4614120, 5273280, 5383140, 5742016, 6152160, 6459768, 7177520, 7382592, 8074710, 8613024, 9228240, 10766280, 12304320, 12919536, 14355040, 16149420, 17226048, 18456480, 21532560, 25839072, 28710080, 32298840, 36912960, 43065120, 51678144, 64597680, 86130240, 129195360, 258390720]

約数ペア:

[(1, 258390720), (2, 129195360), (3, 86130240), (4, 64597680), (5, 51678144), (6, 43065120), (7, 36912960), (8, 32298840), (9, 28710080), (10, 25839072), (12, 21532560), (14, 18456480), (15, 17226048), (16, 16149420), (18, 14355040), (20, 12919536), (21, 12304320), (24, 10766280), (28, 9228240), (30, 8613024), (32, 8074710), (35, 7382592), (36, 7177520), (40, 6459768), (42, 6152160), (45, 5742016), (48, 5383140), (49, 5273280), (56, 4614120), (60, 4306512), (63, 4101440), (64, 4037355), (70, 3691296), (72, 3588760), (80, 3229884), (84, 3076080), (90, 2871008), (96, 2691570), (98, 2636640), (105, 2460864), (112, 2307060), (120, 2153256), (126, 2050720), (140, 1845648), (144, 1794380), (147, 1757760), (160, 1614942), (168, 1538040), (180, 1435504), (192, 1345785), (196, 1318320), (210, 1230432), (224, 1153530), (240, 1076628), (245, 1054656), (252, 1025360), (280, 922824), (288, 897190), (294, 878880), (315, 820288), (320, 807471), (336, 769020), (360, 717752), (392, 659160), (420, 615216), (441, 585920), (448, 576765), (480, 538314), (490, 527328), (504, 512680), (560, 461412), (576, 448595), (588, 439440), (630, 410144), (672, 384510), (720, 358876), (735, 351552), (784, 329580), (840, 307608), (882, 292960), (960, 269157), (980, 263664), (1008, 256340), (1120, 230706), (1176, 219720), (1260, 205072), (1344, 192255), (1440, 179438), (1470, 175776), (1568, 164790), (1680, 153804), (1764, 146480), (1831, 141120), (1960, 131832), (2016, 128170), (2205, 117184), (2240, 115353), (2352, 109860), (2520, 102536), (2880, 89719), (2940, 87888), (3136, 82395), (3360, 76902), (3528, 73240), (3662, 70560), (3920, 65916), (4032, 64085), (4410, 58592), (4704, 54930), (5040, 51268), (5493, 47040), (5880, 43944), (6720, 38451), (7056, 36620), (7324, 35280), (7840, 32958), (8820, 29296), (9155, 28224), (9408, 27465), (10080, 25634), (10986, 23520), (11760, 21972), (12817, 20160), (14112, 18310), (14648, 17640), (15680, 16479)]