260494780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:193

約数の個数: 192

約数和(自身を含む): 722534400

約数和(自身を除く): 462039620

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 49, 52, 65, 70, 91, 92, 98, 115, 127, 130, 140, 161, 182, 196, 230, 245, 254, 260, 299, 322, 343, 364, 455, 460, 490, 508, 598, 635, 637, 644, 686, 805, 889, 910, 980, 1127, 1196, 1270, 1274, 1372, 1495, 1610, 1651, 1715, 1778, 1820, 2093, 2254, 2540, 2548, 2921, 2990, 3185, 3220, 3302, 3430, 3556, 4186, 4445, 4459, 4508, 5635, 5842, 5980, 6223, 6370, 6604, 6860, 7889, 8255, 8372, 8890, 8918, 10465, 11270, 11557, 11684, 12446, 12740, 14605, 14651, 15778, 16510, 17780, 17836, 20447, 20930, 22295, 22540, 23114, 24892, 29210, 29302, 31115, 31556, 33020, 37973, 39445, 40894, 41860, 43561, 44590, 46228, 57785, 58420, 58604, 62230, 73255, 75946, 78890, 80899, 81788, 87122, 89180, 102235, 102557, 115570, 124460, 143129, 146510, 151892, 157780, 161798, 174244, 189865, 204470, 205114, 217805, 231140, 265811, 286258, 293020, 323596, 379730, 404495, 408940, 410228, 435610, 512785, 531622, 566293, 572516, 715645, 759460, 808990, 871220, 1001903, 1025570, 1063244, 1132586, 1329055, 1431290, 1617980, 1860677, 2003806, 2051140, 2265172, 2658110, 2831465, 2862580, 3721354, 4007612, 5009515, 5316220, 5662930, 7442708, 9303385, 10019030, 11325860, 13024739, 18606770, 20038060, 26049478, 37213540, 52098956, 65123695, 130247390, 260494780]

約数ペア:

[(1, 260494780), (2, 130247390), (4, 65123695), (5, 52098956), (7, 37213540), (10, 26049478), (13, 20038060), (14, 18606770), (20, 13024739), (23, 11325860), (26, 10019030), (28, 9303385), (35, 7442708), (46, 5662930), (49, 5316220), (52, 5009515), (65, 4007612), (70, 3721354), (91, 2862580), (92, 2831465), (98, 2658110), (115, 2265172), (127, 2051140), (130, 2003806), (140, 1860677), (161, 1617980), (182, 1431290), (196, 1329055), (230, 1132586), (245, 1063244), (254, 1025570), (260, 1001903), (299, 871220), (322, 808990), (343, 759460), (364, 715645), (455, 572516), (460, 566293), (490, 531622), (508, 512785), (598, 435610), (635, 410228), (637, 408940), (644, 404495), (686, 379730), (805, 323596), (889, 293020), (910, 286258), (980, 265811), (1127, 231140), (1196, 217805), (1270, 205114), (1274, 204470), (1372, 189865), (1495, 174244), (1610, 161798), (1651, 157780), (1715, 151892), (1778, 146510), (1820, 143129), (2093, 124460), (2254, 115570), (2540, 102557), (2548, 102235), (2921, 89180), (2990, 87122), (3185, 81788), (3220, 80899), (3302, 78890), (3430, 75946), (3556, 73255), (4186, 62230), (4445, 58604), (4459, 58420), (4508, 57785), (5635, 46228), (5842, 44590), (5980, 43561), (6223, 41860), (6370, 40894), (6604, 39445), (6860, 37973), (7889, 33020), (8255, 31556), (8372, 31115), (8890, 29302), (8918, 29210), (10465, 24892), (11270, 23114), (11557, 22540), (11684, 22295), (12446, 20930), (12740, 20447), (14605, 17836), (14651, 17780), (15778, 16510)]