65478960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{457}}^1$

素因数の和:675

約数の個数: 120

約数和(自身を含む): 221488800

約数和(自身を除く): 156009840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 199, 240, 360, 398, 457, 597, 720, 796, 914, 995, 1194, 1371, 1592, 1791, 1828, 1990, 2285, 2388, 2742, 2985, 3184, 3582, 3656, 3980, 4113, 4570, 4776, 5484, 5970, 6855, 7164, 7312, 7960, 8226, 8955, 9140, 9552, 10968, 11940, 13710, 14328, 15920, 16452, 17910, 18280, 20565, 21936, 23880, 27420, 28656, 32904, 35820, 36560, 41130, 47760, 54840, 65808, 71640, 82260, 90943, 109680, 143280, 164520, 181886, 272829, 329040, 363772, 454715, 545658, 727544, 818487, 909430, 1091316, 1364145, 1455088, 1636974, 1818860, 2182632, 2728290, 3273948, 3637720, 4092435, 4365264, 5456580, 6547896, 7275440, 8184870, 10913160, 13095792, 16369740, 21826320, 32739480, 65478960]

約数ペア:

[(1, 65478960), (2, 32739480), (3, 21826320), (4, 16369740), (5, 13095792), (6, 10913160), (8, 8184870), (9, 7275440), (10, 6547896), (12, 5456580), (15, 4365264), (16, 4092435), (18, 3637720), (20, 3273948), (24, 2728290), (30, 2182632), (36, 1818860), (40, 1636974), (45, 1455088), (48, 1364145), (60, 1091316), (72, 909430), (80, 818487), (90, 727544), (120, 545658), (144, 454715), (180, 363772), (199, 329040), (240, 272829), (360, 181886), (398, 164520), (457, 143280), (597, 109680), (720, 90943), (796, 82260), (914, 71640), (995, 65808), (1194, 54840), (1371, 47760), (1592, 41130), (1791, 36560), (1828, 35820), (1990, 32904), (2285, 28656), (2388, 27420), (2742, 23880), (2985, 21936), (3184, 20565), (3582, 18280), (3656, 17910), (3980, 16452), (4113, 15920), (4570, 14328), (4776, 13710), (5484, 11940), (5970, 10968), (6855, 9552), (7164, 9140), (7312, 8955), (7960, 8226)]