261529560

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1523}}^1$

素因数の和:1599

約数の個数: 160

約数和(自身を含む): 896203440

約数和(自身を除く): 634673880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 53, 54, 60, 72, 81, 90, 106, 108, 120, 135, 159, 162, 180, 212, 216, 265, 270, 318, 324, 360, 405, 424, 477, 530, 540, 636, 648, 795, 810, 954, 1060, 1080, 1272, 1431, 1523, 1590, 1620, 1908, 2120, 2385, 2862, 3046, 3180, 3240, 3816, 4293, 4569, 4770, 5724, 6092, 6360, 7155, 7615, 8586, 9138, 9540, 11448, 12184, 13707, 14310, 15230, 17172, 18276, 19080, 21465, 22845, 27414, 28620, 30460, 34344, 36552, 41121, 42930, 45690, 54828, 57240, 60920, 68535, 80719, 82242, 85860, 91380, 109656, 123363, 137070, 161438, 164484, 171720, 182760, 205605, 242157, 246726, 274140, 322876, 328968, 403595, 411210, 484314, 493452, 548280, 616815, 645752, 726471, 807190, 822420, 968628, 986904, 1210785, 1233630, 1452942, 1614380, 1644840, 1937256, 2179413, 2421570, 2467260, 2905884, 3228760, 3632355, 4358826, 4843140, 4934520, 5811768, 6538239, 7264710, 8717652, 9686280, 10897065, 13076478, 14529420, 17435304, 21794130, 26152956, 29058840, 32691195, 43588260, 52305912, 65382390, 87176520, 130764780, 261529560]

約数ペア:

[(1, 261529560), (2, 130764780), (3, 87176520), (4, 65382390), (5, 52305912), (6, 43588260), (8, 32691195), (9, 29058840), (10, 26152956), (12, 21794130), (15, 17435304), (18, 14529420), (20, 13076478), (24, 10897065), (27, 9686280), (30, 8717652), (36, 7264710), (40, 6538239), (45, 5811768), (53, 4934520), (54, 4843140), (60, 4358826), (72, 3632355), (81, 3228760), (90, 2905884), (106, 2467260), (108, 2421570), (120, 2179413), (135, 1937256), (159, 1644840), (162, 1614380), (180, 1452942), (212, 1233630), (216, 1210785), (265, 986904), (270, 968628), (318, 822420), (324, 807190), (360, 726471), (405, 645752), (424, 616815), (477, 548280), (530, 493452), (540, 484314), (636, 411210), (648, 403595), (795, 328968), (810, 322876), (954, 274140), (1060, 246726), (1080, 242157), (1272, 205605), (1431, 182760), (1523, 171720), (1590, 164484), (1620, 161438), (1908, 137070), (2120, 123363), (2385, 109656), (2862, 91380), (3046, 85860), (3180, 82242), (3240, 80719), (3816, 68535), (4293, 60920), (4569, 57240), (4770, 54828), (5724, 45690), (6092, 42930), (6360, 41121), (7155, 36552), (7615, 34344), (8586, 30460), (9138, 28620), (9540, 27414), (11448, 22845), (12184, 21465), (13707, 19080), (14310, 18276), (15230, 17172)]