81628104

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 230630400

約数和(自身を除く): 149002296

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 23, 24, 38, 43, 46, 57, 69, 76, 86, 92, 114, 129, 138, 152, 172, 181, 184, 228, 258, 276, 344, 362, 437, 456, 516, 543, 552, 724, 817, 874, 989, 1032, 1086, 1311, 1448, 1634, 1748, 1978, 2172, 2451, 2622, 2967, 3268, 3439, 3496, 3956, 4163, 4344, 4902, 5244, 5934, 6536, 6878, 7783, 7912, 8326, 9804, 10317, 10488, 11868, 12489, 13756, 15566, 16652, 18791, 19608, 20634, 23349, 23736, 24978, 27512, 31132, 33304, 37582, 41268, 46698, 49956, 56373, 62264, 75164, 79097, 82536, 93396, 99912, 112746, 147877, 150328, 158194, 179009, 186792, 225492, 237291, 295754, 316388, 358018, 443631, 450984, 474582, 537027, 591508, 632776, 716036, 887262, 949164, 1074054, 1183016, 1432072, 1774524, 1898328, 2148108, 3401171, 3549048, 4296216, 6802342, 10203513, 13604684, 20407026, 27209368, 40814052, 81628104]

約数ペア:

[(1, 81628104), (2, 40814052), (3, 27209368), (4, 20407026), (6, 13604684), (8, 10203513), (12, 6802342), (19, 4296216), (23, 3549048), (24, 3401171), (38, 2148108), (43, 1898328), (46, 1774524), (57, 1432072), (69, 1183016), (76, 1074054), (86, 949164), (92, 887262), (114, 716036), (129, 632776), (138, 591508), (152, 537027), (172, 474582), (181, 450984), (184, 443631), (228, 358018), (258, 316388), (276, 295754), (344, 237291), (362, 225492), (437, 186792), (456, 179009), (516, 158194), (543, 150328), (552, 147877), (724, 112746), (817, 99912), (874, 93396), (989, 82536), (1032, 79097), (1086, 75164), (1311, 62264), (1448, 56373), (1634, 49956), (1748, 46698), (1978, 41268), (2172, 37582), (2451, 33304), (2622, 31132), (2967, 27512), (3268, 24978), (3439, 23736), (3496, 23349), (3956, 20634), (4163, 19608), (4344, 18791), (4902, 16652), (5244, 15566), (5934, 13756), (6536, 12489), (6878, 11868), (7783, 10488), (7912, 10317), (8326, 9804)]