161961888

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:299

約数の個数: 144

約数和(自身を含む): 476195328

約数和(自身を除く): 314233440

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 73, 88, 96, 121, 132, 146, 176, 191, 219, 242, 264, 292, 352, 363, 382, 438, 484, 528, 573, 584, 726, 764, 803, 876, 968, 1056, 1146, 1168, 1452, 1528, 1606, 1752, 1936, 2101, 2292, 2336, 2409, 2904, 3056, 3212, 3504, 3872, 4202, 4584, 4818, 5808, 6112, 6303, 6424, 7008, 8404, 8833, 9168, 9636, 11616, 12606, 12848, 13943, 16808, 17666, 18336, 19272, 23111, 25212, 25696, 26499, 27886, 33616, 35332, 38544, 41829, 46222, 50424, 52998, 55772, 67232, 69333, 70664, 77088, 83658, 92444, 100848, 105996, 111544, 138666, 141328, 153373, 167316, 184888, 201696, 211992, 223088, 277332, 282656, 306746, 334632, 369776, 423984, 446176, 460119, 554664, 613492, 669264, 739552, 847968, 920238, 1109328, 1226984, 1338528, 1687103, 1840476, 2218656, 2453968, 3374206, 3680952, 4907936, 5061309, 6748412, 7361904, 10122618, 13496824, 14723808, 20245236, 26993648, 40490472, 53987296, 80980944, 161961888]

約数ペア:

[(1, 161961888), (2, 80980944), (3, 53987296), (4, 40490472), (6, 26993648), (8, 20245236), (11, 14723808), (12, 13496824), (16, 10122618), (22, 7361904), (24, 6748412), (32, 5061309), (33, 4907936), (44, 3680952), (48, 3374206), (66, 2453968), (73, 2218656), (88, 1840476), (96, 1687103), (121, 1338528), (132, 1226984), (146, 1109328), (176, 920238), (191, 847968), (219, 739552), (242, 669264), (264, 613492), (292, 554664), (352, 460119), (363, 446176), (382, 423984), (438, 369776), (484, 334632), (528, 306746), (573, 282656), (584, 277332), (726, 223088), (764, 211992), (803, 201696), (876, 184888), (968, 167316), (1056, 153373), (1146, 141328), (1168, 138666), (1452, 111544), (1528, 105996), (1606, 100848), (1752, 92444), (1936, 83658), (2101, 77088), (2292, 70664), (2336, 69333), (2409, 67232), (2904, 55772), (3056, 52998), (3212, 50424), (3504, 46222), (3872, 41829), (4202, 38544), (4584, 35332), (4818, 33616), (5808, 27886), (6112, 26499), (6303, 25696), (6424, 25212), (7008, 23111), (8404, 19272), (8833, 18336), (9168, 17666), (9636, 16808), (11616, 13943), (12606, 12848)]