257370480

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:245

約数の個数: 320

約数和(自身を含む): 966366720

約数和(自身を除く): 708996240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 43, 45, 48, 51, 54, 60, 68, 72, 80, 85, 86, 90, 102, 108, 120, 129, 135, 136, 144, 153, 163, 170, 172, 180, 204, 215, 216, 240, 255, 258, 270, 272, 306, 326, 340, 344, 360, 387, 408, 430, 432, 459, 489, 510, 516, 540, 612, 645, 652, 680, 688, 720, 731, 765, 774, 815, 816, 860, 918, 978, 1020, 1032, 1080, 1161, 1224, 1290, 1304, 1360, 1462, 1467, 1530, 1548, 1630, 1720, 1836, 1935, 1956, 2040, 2064, 2160, 2193, 2295, 2322, 2445, 2448, 2580, 2608, 2771, 2924, 2934, 3060, 3096, 3260, 3440, 3655, 3672, 3870, 3912, 4080, 4386, 4401, 4590, 4644, 4890, 5160, 5542, 5805, 5848, 5868, 6120, 6192, 6520, 6579, 7009, 7310, 7335, 7344, 7740, 7824, 8313, 8772, 8802, 9180, 9288, 9780, 10320, 10965, 11084, 11610, 11696, 11736, 12240, 13040, 13158, 13855, 14018, 14620, 14670, 15480, 16626, 17544, 17604, 18360, 18576, 19560, 19737, 21027, 21930, 22005, 22168, 23220, 23472, 24939, 26316, 27710, 28036, 29240, 29340, 30960, 32895, 33252, 35045, 35088, 35208, 36720, 39120, 39474, 41565, 42054, 43860, 44010, 44336, 46440, 49878, 52632, 55420, 56072, 58480, 58680, 63081, 65790, 66504, 70090, 70416, 74817, 78948, 83130, 84108, 87720, 88020, 92880, 98685, 99756, 105135, 105264, 110840, 112144, 117360, 119153, 124695, 126162, 131580, 133008, 140180, 149634, 157896, 166260, 168216, 175440, 176040, 189243, 197370, 199512, 210270, 221680, 238306, 249390, 252324, 263160, 280360, 299268, 315405, 315792, 332520, 336432, 352080, 357459, 374085, 378486, 394740, 399024, 420540, 476612, 498780, 504648, 526320, 560720, 595765, 598536, 630810, 665040, 714918, 748170, 756972, 789480, 841080, 946215, 953224, 997560, 1009296, 1072377, 1191530, 1197072, 1261620, 1429836, 1496340, 1513944, 1578960, 1682160, 1787295, 1892430, 1906448, 1995120, 2144754, 2383060, 2523240, 2859672, 2992680, 3027888, 3217131, 3574590, 3784860, 4289508, 4766120, 5046480, 5361885, 5719344, 5985360, 6434262, 7149180, 7569720, 8579016, 9532240, 10723770, 12868524, 14298360, 15139440, 16085655, 17158032, 21447540, 25737048, 28596720, 32171310, 42895080, 51474096, 64342620, 85790160, 128685240, 257370480]

約数ペア:

[(1, 257370480), (2, 128685240), (3, 85790160), (4, 64342620), (5, 51474096), (6, 42895080), (8, 32171310), (9, 28596720), (10, 25737048), (12, 21447540), (15, 17158032), (16, 16085655), (17, 15139440), (18, 14298360), (20, 12868524), (24, 10723770), (27, 9532240), (30, 8579016), (34, 7569720), (36, 7149180), (40, 6434262), (43, 5985360), (45, 5719344), (48, 5361885), (51, 5046480), (54, 4766120), (60, 4289508), (68, 3784860), (72, 3574590), (80, 3217131), (85, 3027888), (86, 2992680), (90, 2859672), (102, 2523240), (108, 2383060), (120, 2144754), (129, 1995120), (135, 1906448), (136, 1892430), (144, 1787295), (153, 1682160), (163, 1578960), (170, 1513944), (172, 1496340), (180, 1429836), (204, 1261620), (215, 1197072), (216, 1191530), (240, 1072377), (255, 1009296), (258, 997560), (270, 953224), (272, 946215), (306, 841080), (326, 789480), (340, 756972), (344, 748170), (360, 714918), (387, 665040), (408, 630810), (430, 598536), (432, 595765), (459, 560720), (489, 526320), (510, 504648), (516, 498780), (540, 476612), (612, 420540), (645, 399024), (652, 394740), (680, 378486), (688, 374085), (720, 357459), (731, 352080), (765, 336432), (774, 332520), (815, 315792), (816, 315405), (860, 299268), (918, 280360), (978, 263160), (1020, 252324), (1032, 249390), (1080, 238306), (1161, 221680), (1224, 210270), (1290, 199512), (1304, 197370), (1360, 189243), (1462, 176040), (1467, 175440), (1530, 168216), (1548, 166260), (1630, 157896), (1720, 149634), (1836, 140180), (1935, 133008), (1956, 131580), (2040, 126162), (2064, 124695), (2160, 119153), (2193, 117360), (2295, 112144), (2322, 110840), (2445, 105264), (2448, 105135), (2580, 99756), (2608, 98685), (2771, 92880), (2924, 88020), (2934, 87720), (3060, 84108), (3096, 83130), (3260, 78948), (3440, 74817), (3655, 70416), (3672, 70090), (3870, 66504), (3912, 65790), (4080, 63081), (4386, 58680), (4401, 58480), (4590, 56072), (4644, 55420), (4890, 52632), (5160, 49878), (5542, 46440), (5805, 44336), (5848, 44010), (5868, 43860), (6120, 42054), (6192, 41565), (6520, 39474), (6579, 39120), (7009, 36720), (7310, 35208), (7335, 35088), (7344, 35045), (7740, 33252), (7824, 32895), (8313, 30960), (8772, 29340), (8802, 29240), (9180, 28036), (9288, 27710), (9780, 26316), (10320, 24939), (10965, 23472), (11084, 23220), (11610, 22168), (11696, 22005), (11736, 21930), (12240, 21027), (13040, 19737), (13158, 19560), (13855, 18576), (14018, 18360), (14620, 17604), (14670, 17544), (15480, 16626)]