81418344

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1109}}^1$

素因数の和:1167

約数の個数: 128

約数和(自身を含む): 255744000

約数和(自身を除く): 174325656

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 23, 24, 28, 38, 42, 46, 56, 57, 69, 76, 84, 92, 114, 133, 138, 152, 161, 168, 184, 228, 266, 276, 322, 399, 437, 456, 483, 532, 552, 644, 798, 874, 966, 1064, 1109, 1288, 1311, 1596, 1748, 1932, 2218, 2622, 3059, 3192, 3327, 3496, 3864, 4436, 5244, 6118, 6654, 7763, 8872, 9177, 10488, 12236, 13308, 15526, 18354, 21071, 23289, 24472, 25507, 26616, 31052, 36708, 42142, 46578, 51014, 62104, 63213, 73416, 76521, 84284, 93156, 102028, 126426, 147497, 153042, 168568, 178549, 186312, 204056, 252852, 294994, 306084, 357098, 442491, 484633, 505704, 535647, 589988, 612168, 714196, 884982, 969266, 1071294, 1179976, 1428392, 1453899, 1769964, 1938532, 2142588, 2907798, 3392431, 3539928, 3877064, 4285176, 5815596, 6784862, 10177293, 11631192, 13569724, 20354586, 27139448, 40709172, 81418344]

約数ペア:

[(1, 81418344), (2, 40709172), (3, 27139448), (4, 20354586), (6, 13569724), (7, 11631192), (8, 10177293), (12, 6784862), (14, 5815596), (19, 4285176), (21, 3877064), (23, 3539928), (24, 3392431), (28, 2907798), (38, 2142588), (42, 1938532), (46, 1769964), (56, 1453899), (57, 1428392), (69, 1179976), (76, 1071294), (84, 969266), (92, 884982), (114, 714196), (133, 612168), (138, 589988), (152, 535647), (161, 505704), (168, 484633), (184, 442491), (228, 357098), (266, 306084), (276, 294994), (322, 252852), (399, 204056), (437, 186312), (456, 178549), (483, 168568), (532, 153042), (552, 147497), (644, 126426), (798, 102028), (874, 93156), (966, 84284), (1064, 76521), (1109, 73416), (1288, 63213), (1311, 62104), (1596, 51014), (1748, 46578), (1932, 42142), (2218, 36708), (2622, 31052), (3059, 26616), (3192, 25507), (3327, 24472), (3496, 23289), (3864, 21071), (4436, 18354), (5244, 15526), (6118, 13308), (6654, 12236), (7763, 10488), (8872, 9177)]