278292560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:210

約数の個数: 240

約数和(自身を含む): 835946496

約数和(自身を除く): 557653936

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 43, 49, 52, 56, 65, 70, 80, 86, 91, 98, 104, 112, 127, 130, 140, 172, 182, 196, 208, 215, 245, 254, 260, 280, 301, 344, 364, 392, 430, 455, 490, 508, 520, 559, 560, 602, 635, 637, 688, 728, 784, 860, 889, 910, 980, 1016, 1040, 1118, 1204, 1270, 1274, 1456, 1505, 1651, 1720, 1778, 1820, 1960, 2032, 2107, 2236, 2408, 2540, 2548, 2795, 3010, 3185, 3302, 3440, 3556, 3640, 3913, 3920, 4214, 4445, 4472, 4816, 5080, 5096, 5461, 5590, 6020, 6223, 6370, 6604, 7112, 7280, 7826, 8255, 8428, 8890, 8944, 10160, 10192, 10535, 10922, 11180, 11557, 12040, 12446, 12740, 13208, 14224, 15652, 16510, 16856, 17780, 19565, 21070, 21844, 22360, 23114, 24080, 24892, 25480, 26416, 27305, 27391, 31115, 31304, 33020, 33712, 35560, 38227, 39130, 42140, 43688, 44720, 46228, 49784, 50960, 54610, 54782, 57785, 62230, 62608, 66040, 70993, 71120, 76454, 78260, 80899, 84280, 87376, 92456, 99568, 109220, 109564, 115570, 124460, 132080, 136955, 141986, 152908, 156520, 161798, 168560, 184912, 191135, 218440, 219128, 231140, 248920, 267589, 273910, 283972, 305816, 313040, 323596, 354965, 382270, 404495, 436880, 438256, 462280, 496951, 497840, 535178, 547820, 567944, 611632, 647192, 709930, 764540, 808990, 924560, 993902, 1070356, 1095640, 1135888, 1294384, 1337945, 1419860, 1529080, 1617980, 1987804, 2140712, 2191280, 2484755, 2675890, 2839720, 3058160, 3235960, 3478657, 3975608, 4281424, 4969510, 5351780, 5679440, 6471920, 6957314, 7951216, 9939020, 10703560, 13914628, 17393285, 19878040, 21407120, 27829256, 34786570, 39756080, 55658512, 69573140, 139146280, 278292560]

約数ペア:

[(1, 278292560), (2, 139146280), (4, 69573140), (5, 55658512), (7, 39756080), (8, 34786570), (10, 27829256), (13, 21407120), (14, 19878040), (16, 17393285), (20, 13914628), (26, 10703560), (28, 9939020), (35, 7951216), (40, 6957314), (43, 6471920), (49, 5679440), (52, 5351780), (56, 4969510), (65, 4281424), (70, 3975608), (80, 3478657), (86, 3235960), (91, 3058160), (98, 2839720), (104, 2675890), (112, 2484755), (127, 2191280), (130, 2140712), (140, 1987804), (172, 1617980), (182, 1529080), (196, 1419860), (208, 1337945), (215, 1294384), (245, 1135888), (254, 1095640), (260, 1070356), (280, 993902), (301, 924560), (344, 808990), (364, 764540), (392, 709930), (430, 647192), (455, 611632), (490, 567944), (508, 547820), (520, 535178), (559, 497840), (560, 496951), (602, 462280), (635, 438256), (637, 436880), (688, 404495), (728, 382270), (784, 354965), (860, 323596), (889, 313040), (910, 305816), (980, 283972), (1016, 273910), (1040, 267589), (1118, 248920), (1204, 231140), (1270, 219128), (1274, 218440), (1456, 191135), (1505, 184912), (1651, 168560), (1720, 161798), (1778, 156520), (1820, 152908), (1960, 141986), (2032, 136955), (2107, 132080), (2236, 124460), (2408, 115570), (2540, 109564), (2548, 109220), (2795, 99568), (3010, 92456), (3185, 87376), (3302, 84280), (3440, 80899), (3556, 78260), (3640, 76454), (3913, 71120), (3920, 70993), (4214, 66040), (4445, 62608), (4472, 62230), (4816, 57785), (5080, 54782), (5096, 54610), (5461, 50960), (5590, 49784), (6020, 46228), (6223, 44720), (6370, 43688), (6604, 42140), (7112, 39130), (7280, 38227), (7826, 35560), (8255, 33712), (8428, 33020), (8890, 31304), (8944, 31115), (10160, 27391), (10192, 27305), (10535, 26416), (10922, 25480), (11180, 24892), (11557, 24080), (12040, 23114), (12446, 22360), (12740, 21844), (13208, 21070), (14224, 19565), (15652, 17780), (16510, 16856)]