1266290480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{181}}^1$

素因数の和:276

約数の個数: 240

約数和(自身を含む): 3764884032

約数和(自身を除く): 2498593552

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 181, 182, 208, 217, 248, 260, 280, 310, 362, 364, 403, 434, 455, 496, 520, 560, 620, 724, 728, 806, 868, 905, 910, 961, 1040, 1085, 1240, 1267, 1448, 1456, 1612, 1736, 1810, 1820, 1922, 2015, 2170, 2353, 2480, 2534, 2821, 2896, 3224, 3472, 3620, 3640, 3844, 4030, 4340, 4706, 4805, 5068, 5611, 5642, 6335, 6448, 6727, 7240, 7280, 7688, 8060, 8680, 9412, 9610, 10136, 11222, 11284, 11765, 12493, 12670, 13454, 14105, 14480, 15376, 16120, 16471, 17360, 18824, 19220, 20272, 22444, 22568, 23530, 24986, 25340, 26908, 28055, 28210, 32240, 32942, 33635, 37648, 38440, 39277, 44888, 45136, 47060, 49972, 50680, 53816, 56110, 56420, 62465, 65884, 67270, 72943, 76880, 78554, 82355, 87451, 89776, 94120, 99944, 101360, 107632, 112220, 112840, 124930, 131768, 134540, 145886, 157108, 164710, 173941, 174902, 188240, 196385, 199888, 224440, 225680, 249860, 263536, 269080, 291772, 314216, 329420, 347882, 349804, 364715, 392770, 437255, 448880, 499720, 510601, 538160, 583544, 628432, 658840, 695764, 699608, 729430, 785540, 869705, 874510, 999440, 1021202, 1167088, 1217587, 1317680, 1391528, 1399216, 1458860, 1571080, 1739410, 1749020, 2042404, 2261233, 2435174, 2553005, 2783056, 2917720, 3142160, 3478820, 3498040, 4084808, 4522466, 4870348, 5106010, 5835440, 6087935, 6957640, 6996080, 8169616, 9044932, 9740696, 10212020, 11306165, 12175870, 13915280, 15828631, 18089864, 19481392, 20424040, 22612330, 24351740, 31657262, 36179728, 40848080, 45224660, 48703480, 63314524, 79143155, 90449320, 97406960, 126629048, 158286310, 180898640, 253258096, 316572620, 633145240, 1266290480]

約数ペア:

[(1, 1266290480), (2, 633145240), (4, 316572620), (5, 253258096), (7, 180898640), (8, 158286310), (10, 126629048), (13, 97406960), (14, 90449320), (16, 79143155), (20, 63314524), (26, 48703480), (28, 45224660), (31, 40848080), (35, 36179728), (40, 31657262), (52, 24351740), (56, 22612330), (62, 20424040), (65, 19481392), (70, 18089864), (80, 15828631), (91, 13915280), (104, 12175870), (112, 11306165), (124, 10212020), (130, 9740696), (140, 9044932), (155, 8169616), (181, 6996080), (182, 6957640), (208, 6087935), (217, 5835440), (248, 5106010), (260, 4870348), (280, 4522466), (310, 4084808), (362, 3498040), (364, 3478820), (403, 3142160), (434, 2917720), (455, 2783056), (496, 2553005), (520, 2435174), (560, 2261233), (620, 2042404), (724, 1749020), (728, 1739410), (806, 1571080), (868, 1458860), (905, 1399216), (910, 1391528), (961, 1317680), (1040, 1217587), (1085, 1167088), (1240, 1021202), (1267, 999440), (1448, 874510), (1456, 869705), (1612, 785540), (1736, 729430), (1810, 699608), (1820, 695764), (1922, 658840), (2015, 628432), (2170, 583544), (2353, 538160), (2480, 510601), (2534, 499720), (2821, 448880), (2896, 437255), (3224, 392770), (3472, 364715), (3620, 349804), (3640, 347882), (3844, 329420), (4030, 314216), (4340, 291772), (4706, 269080), (4805, 263536), (5068, 249860), (5611, 225680), (5642, 224440), (6335, 199888), (6448, 196385), (6727, 188240), (7240, 174902), (7280, 173941), (7688, 164710), (8060, 157108), (8680, 145886), (9412, 134540), (9610, 131768), (10136, 124930), (11222, 112840), (11284, 112220), (11765, 107632), (12493, 101360), (12670, 99944), (13454, 94120), (14105, 89776), (14480, 87451), (15376, 82355), (16120, 78554), (16471, 76880), (17360, 72943), (18824, 67270), (19220, 65884), (20272, 62465), (22444, 56420), (22568, 56110), (23530, 53816), (24986, 50680), (25340, 49972), (26908, 47060), (28055, 45136), (28210, 44888), (32240, 39277), (32942, 38440), (33635, 37648)]