81551328

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:520

約数の個数: 96

約数和(自身を含む): 224824320

約数和(自身を除く): 143272992

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 67, 93, 96, 124, 134, 186, 201, 248, 268, 372, 402, 409, 496, 536, 744, 804, 818, 992, 1072, 1227, 1488, 1608, 1636, 2077, 2144, 2454, 2976, 3216, 3272, 4154, 4908, 6231, 6432, 6544, 8308, 9816, 12462, 12679, 13088, 16616, 19632, 24924, 25358, 27403, 33232, 38037, 39264, 49848, 50716, 54806, 66464, 76074, 82209, 99696, 101432, 109612, 152148, 164418, 199392, 202864, 219224, 304296, 328836, 405728, 438448, 608592, 657672, 849493, 876896, 1217184, 1315344, 1698986, 2548479, 2630688, 3397972, 5096958, 6795944, 10193916, 13591888, 20387832, 27183776, 40775664, 81551328]

約数ペア:

[(1, 81551328), (2, 40775664), (3, 27183776), (4, 20387832), (6, 13591888), (8, 10193916), (12, 6795944), (16, 5096958), (24, 3397972), (31, 2630688), (32, 2548479), (48, 1698986), (62, 1315344), (67, 1217184), (93, 876896), (96, 849493), (124, 657672), (134, 608592), (186, 438448), (201, 405728), (248, 328836), (268, 304296), (372, 219224), (402, 202864), (409, 199392), (496, 164418), (536, 152148), (744, 109612), (804, 101432), (818, 99696), (992, 82209), (1072, 76074), (1227, 66464), (1488, 54806), (1608, 50716), (1636, 49848), (2077, 39264), (2144, 38037), (2454, 33232), (2976, 27403), (3216, 25358), (3272, 24924), (4154, 19632), (4908, 16616), (6231, 13088), (6432, 12679), (6544, 12462), (8308, 9816)]