8728560

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{449}}^1$

素因数の和:477

約数の個数: 120

約数和(自身を含む): 30466800

約数和(自身を除く): 21738240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 449, 486, 540, 648, 720, 810, 898, 972, 1080, 1215, 1296, 1347, 1620, 1796, 1944, 2160, 2245, 2430, 2694, 3240, 3592, 3888, 4041, 4490, 4860, 5388, 6480, 6735, 7184, 8082, 8980, 9720, 10776, 12123, 13470, 16164, 17960, 19440, 20205, 21552, 24246, 26940, 32328, 35920, 36369, 40410, 48492, 53880, 60615, 64656, 72738, 80820, 96984, 107760, 109107, 121230, 145476, 161640, 181845, 193968, 218214, 242460, 290952, 323280, 363690, 436428, 484920, 545535, 581904, 727380, 872856, 969840, 1091070, 1454760, 1745712, 2182140, 2909520, 4364280, 8728560]

約数ペア:

[(1, 8728560), (2, 4364280), (3, 2909520), (4, 2182140), (5, 1745712), (6, 1454760), (8, 1091070), (9, 969840), (10, 872856), (12, 727380), (15, 581904), (16, 545535), (18, 484920), (20, 436428), (24, 363690), (27, 323280), (30, 290952), (36, 242460), (40, 218214), (45, 193968), (48, 181845), (54, 161640), (60, 145476), (72, 121230), (80, 109107), (81, 107760), (90, 96984), (108, 80820), (120, 72738), (135, 64656), (144, 60615), (162, 53880), (180, 48492), (216, 40410), (240, 36369), (243, 35920), (270, 32328), (324, 26940), (360, 24246), (405, 21552), (432, 20205), (449, 19440), (486, 17960), (540, 16164), (648, 13470), (720, 12123), (810, 10776), (898, 9720), (972, 8980), (1080, 8082), (1215, 7184), (1296, 6735), (1347, 6480), (1620, 5388), (1796, 4860), (1944, 4490), (2160, 4041), (2245, 3888), (2430, 3592), (2694, 3240)]