81505008

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1$

素因数の和:684

約数の個数: 160

約数和(自身を含む): 263316480

約数和(自身を除く): 181811472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 27, 36, 39, 46, 48, 52, 54, 69, 72, 78, 92, 104, 108, 117, 138, 144, 156, 184, 207, 208, 216, 234, 276, 299, 312, 351, 368, 414, 432, 468, 552, 598, 621, 624, 631, 702, 828, 897, 936, 1104, 1196, 1242, 1262, 1404, 1656, 1794, 1872, 1893, 2392, 2484, 2524, 2691, 2808, 3312, 3588, 3786, 4784, 4968, 5048, 5382, 5616, 5679, 7176, 7572, 8073, 8203, 9936, 10096, 10764, 11358, 14352, 14513, 15144, 16146, 16406, 17037, 21528, 22716, 24609, 29026, 30288, 32292, 32812, 34074, 43056, 43539, 45432, 49218, 58052, 64584, 65624, 68148, 73827, 87078, 90864, 98436, 116104, 129168, 130617, 131248, 136296, 147654, 174156, 188669, 196872, 221481, 232208, 261234, 272592, 295308, 348312, 377338, 391851, 393744, 442962, 522468, 566007, 590616, 696624, 754676, 783702, 885924, 1044936, 1132014, 1181232, 1509352, 1567404, 1698021, 1771848, 2089872, 2264028, 3018704, 3134808, 3396042, 3543696, 4528056, 5094063, 6269616, 6792084, 9056112, 10188126, 13584168, 20376252, 27168336, 40752504, 81505008]

約数ペア:

[(1, 81505008), (2, 40752504), (3, 27168336), (4, 20376252), (6, 13584168), (8, 10188126), (9, 9056112), (12, 6792084), (13, 6269616), (16, 5094063), (18, 4528056), (23, 3543696), (24, 3396042), (26, 3134808), (27, 3018704), (36, 2264028), (39, 2089872), (46, 1771848), (48, 1698021), (52, 1567404), (54, 1509352), (69, 1181232), (72, 1132014), (78, 1044936), (92, 885924), (104, 783702), (108, 754676), (117, 696624), (138, 590616), (144, 566007), (156, 522468), (184, 442962), (207, 393744), (208, 391851), (216, 377338), (234, 348312), (276, 295308), (299, 272592), (312, 261234), (351, 232208), (368, 221481), (414, 196872), (432, 188669), (468, 174156), (552, 147654), (598, 136296), (621, 131248), (624, 130617), (631, 129168), (702, 116104), (828, 98436), (897, 90864), (936, 87078), (1104, 73827), (1196, 68148), (1242, 65624), (1262, 64584), (1404, 58052), (1656, 49218), (1794, 45432), (1872, 43539), (1893, 43056), (2392, 34074), (2484, 32812), (2524, 32292), (2691, 30288), (2808, 29026), (3312, 24609), (3588, 22716), (3786, 21528), (4784, 17037), (4968, 16406), (5048, 16146), (5382, 15144), (5616, 14513), (5679, 14352), (7176, 11358), (7572, 10764), (8073, 10096), (8203, 9936)]