1280261760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1741}}^1$

素因数の和:2146

約数の個数: 128

約数和(自身を含む): 4093839360

約数和(自身を除く): 2813577600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 383, 384, 480, 640, 766, 960, 1149, 1532, 1741, 1915, 1920, 2298, 3064, 3482, 3830, 4596, 5223, 5745, 6128, 6964, 7660, 8705, 9192, 10446, 11490, 12256, 13928, 15320, 17410, 18384, 20892, 22980, 24512, 26115, 27856, 30640, 34820, 36768, 41784, 45960, 49024, 52230, 55712, 61280, 69640, 73536, 83568, 91920, 104460, 111424, 122560, 139280, 147072, 167136, 183840, 208920, 222848, 245120, 278560, 334272, 367680, 417840, 557120, 666803, 668544, 735360, 835680, 1114240, 1333606, 1671360, 2000409, 2667212, 3334015, 3342720, 4000818, 5334424, 6668030, 8001636, 10002045, 10668848, 13336060, 16003272, 20004090, 21337696, 26672120, 32006544, 40008180, 42675392, 53344240, 64013088, 80016360, 85350784, 106688480, 128026176, 160032720, 213376960, 256052352, 320065440, 426753920, 640130880, 1280261760]

約数ペア:

[(1, 1280261760), (2, 640130880), (3, 426753920), (4, 320065440), (5, 256052352), (6, 213376960), (8, 160032720), (10, 128026176), (12, 106688480), (15, 85350784), (16, 80016360), (20, 64013088), (24, 53344240), (30, 42675392), (32, 40008180), (40, 32006544), (48, 26672120), (60, 21337696), (64, 20004090), (80, 16003272), (96, 13336060), (120, 10668848), (128, 10002045), (160, 8001636), (192, 6668030), (240, 5334424), (320, 4000818), (383, 3342720), (384, 3334015), (480, 2667212), (640, 2000409), (766, 1671360), (960, 1333606), (1149, 1114240), (1532, 835680), (1741, 735360), (1915, 668544), (1920, 666803), (2298, 557120), (3064, 417840), (3482, 367680), (3830, 334272), (4596, 278560), (5223, 245120), (5745, 222848), (6128, 208920), (6964, 183840), (7660, 167136), (8705, 147072), (9192, 139280), (10446, 122560), (11490, 111424), (12256, 104460), (13928, 91920), (15320, 83568), (17410, 73536), (18384, 69640), (20892, 61280), (22980, 55712), (24512, 52230), (26115, 49024), (27856, 45960), (30640, 41784), (34820, 36768)]