81612832

素因数分解:

$2^5\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:151

約数の個数: 144

約数和(自身を含む): 204083712

約数和(自身を除く): 122470880

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 32, 46, 49, 56, 62, 73, 92, 98, 112, 124, 146, 161, 184, 196, 217, 224, 248, 292, 322, 368, 392, 434, 496, 511, 584, 644, 713, 736, 784, 868, 992, 1022, 1127, 1168, 1288, 1426, 1519, 1568, 1679, 1736, 2044, 2254, 2263, 2336, 2576, 2852, 3038, 3358, 3472, 3577, 4088, 4508, 4526, 4991, 5152, 5704, 6076, 6716, 6944, 7154, 8176, 9016, 9052, 9982, 11408, 11753, 12152, 13432, 14308, 15841, 16352, 18032, 18104, 19964, 22816, 23506, 24304, 26864, 28616, 31682, 34937, 36064, 36208, 39928, 47012, 48608, 52049, 53728, 57232, 63364, 69874, 72416, 79856, 82271, 94024, 104098, 110887, 114464, 126728, 139748, 159712, 164542, 188048, 208196, 221774, 253456, 279496, 329084, 364343, 376096, 416392, 443548, 506912, 558992, 658168, 728686, 832784, 887096, 1117984, 1316336, 1457372, 1665568, 1774192, 2550401, 2632672, 2914744, 3548384, 5100802, 5829488, 10201604, 11658976, 20403208, 40806416, 81612832]

約数ペア:

[(1, 81612832), (2, 40806416), (4, 20403208), (7, 11658976), (8, 10201604), (14, 5829488), (16, 5100802), (23, 3548384), (28, 2914744), (31, 2632672), (32, 2550401), (46, 1774192), (49, 1665568), (56, 1457372), (62, 1316336), (73, 1117984), (92, 887096), (98, 832784), (112, 728686), (124, 658168), (146, 558992), (161, 506912), (184, 443548), (196, 416392), (217, 376096), (224, 364343), (248, 329084), (292, 279496), (322, 253456), (368, 221774), (392, 208196), (434, 188048), (496, 164542), (511, 159712), (584, 139748), (644, 126728), (713, 114464), (736, 110887), (784, 104098), (868, 94024), (992, 82271), (1022, 79856), (1127, 72416), (1168, 69874), (1288, 63364), (1426, 57232), (1519, 53728), (1568, 52049), (1679, 48608), (1736, 47012), (2044, 39928), (2254, 36208), (2263, 36064), (2336, 34937), (2576, 31682), (2852, 28616), (3038, 26864), (3358, 24304), (3472, 23506), (3577, 22816), (4088, 19964), (4508, 18104), (4526, 18032), (4991, 16352), (5152, 15841), (5704, 14308), (6076, 13432), (6716, 12152), (6944, 11753), (7154, 11408), (8176, 9982), (9016, 9052)]