81229008

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{457}}^1$

素因数の和:521

約数の個数: 120

約数和(自身を含む): 251247808

約数和(自身を除く): 170018800

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 56, 69, 84, 92, 112, 138, 161, 168, 184, 276, 322, 336, 368, 457, 483, 529, 552, 644, 914, 966, 1058, 1104, 1288, 1371, 1587, 1828, 1932, 2116, 2576, 2742, 3174, 3199, 3656, 3703, 3864, 4232, 5484, 6348, 6398, 7312, 7406, 7728, 8464, 9597, 10511, 10968, 11109, 12696, 12796, 14812, 19194, 21022, 21936, 22218, 25392, 25592, 29624, 31533, 38388, 42044, 44436, 51184, 59248, 63066, 73577, 76776, 84088, 88872, 126132, 147154, 153552, 168176, 177744, 220731, 241753, 252264, 294308, 441462, 483506, 504528, 588616, 725259, 882924, 967012, 1177232, 1450518, 1692271, 1765848, 1934024, 2901036, 3384542, 3531696, 3868048, 5076813, 5802072, 6769084, 10153626, 11604144, 13538168, 20307252, 27076336, 40614504, 81229008]

約数ペア:

[(1, 81229008), (2, 40614504), (3, 27076336), (4, 20307252), (6, 13538168), (7, 11604144), (8, 10153626), (12, 6769084), (14, 5802072), (16, 5076813), (21, 3868048), (23, 3531696), (24, 3384542), (28, 2901036), (42, 1934024), (46, 1765848), (48, 1692271), (56, 1450518), (69, 1177232), (84, 967012), (92, 882924), (112, 725259), (138, 588616), (161, 504528), (168, 483506), (184, 441462), (276, 294308), (322, 252264), (336, 241753), (368, 220731), (457, 177744), (483, 168176), (529, 153552), (552, 147154), (644, 126132), (914, 88872), (966, 84088), (1058, 76776), (1104, 73577), (1288, 63066), (1371, 59248), (1587, 51184), (1828, 44436), (1932, 42044), (2116, 38388), (2576, 31533), (2742, 29624), (3174, 25592), (3199, 25392), (3656, 22218), (3703, 21936), (3864, 21022), (4232, 19194), (5484, 14812), (6348, 12796), (6398, 12696), (7312, 11109), (7406, 10968), (7728, 10511), (8464, 9597)]