81675984

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^2$

素因数の和:209

約数の個数: 120

約数和(自身を含む): 242102560

約数和(自身を除く): 160426576

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 48, 52, 57, 76, 78, 83, 104, 114, 152, 156, 166, 208, 228, 247, 249, 304, 312, 332, 456, 494, 498, 624, 664, 741, 912, 988, 996, 1079, 1328, 1482, 1577, 1976, 1992, 2158, 2964, 3154, 3237, 3952, 3984, 4316, 4731, 5928, 6308, 6474, 6889, 8632, 9462, 11856, 12616, 12948, 13778, 17264, 18924, 20501, 20667, 25232, 25896, 27556, 37848, 41002, 41334, 51792, 55112, 61503, 75696, 82004, 82668, 89557, 110224, 123006, 130891, 164008, 165336, 179114, 246012, 261782, 268671, 328016, 330672, 358228, 392673, 492024, 523564, 537342, 716456, 785346, 984048, 1047128, 1074684, 1432912, 1570692, 1701583, 2094256, 2149368, 3141384, 3403166, 4298736, 5104749, 6282768, 6806332, 10209498, 13612664, 20418996, 27225328, 40837992, 81675984]

約数ペア:

[(1, 81675984), (2, 40837992), (3, 27225328), (4, 20418996), (6, 13612664), (8, 10209498), (12, 6806332), (13, 6282768), (16, 5104749), (19, 4298736), (24, 3403166), (26, 3141384), (38, 2149368), (39, 2094256), (48, 1701583), (52, 1570692), (57, 1432912), (76, 1074684), (78, 1047128), (83, 984048), (104, 785346), (114, 716456), (152, 537342), (156, 523564), (166, 492024), (208, 392673), (228, 358228), (247, 330672), (249, 328016), (304, 268671), (312, 261782), (332, 246012), (456, 179114), (494, 165336), (498, 164008), (624, 130891), (664, 123006), (741, 110224), (912, 89557), (988, 82668), (996, 82004), (1079, 75696), (1328, 61503), (1482, 55112), (1577, 51792), (1976, 41334), (1992, 41002), (2158, 37848), (2964, 27556), (3154, 25896), (3237, 25232), (3952, 20667), (3984, 20501), (4316, 18924), (4731, 17264), (5928, 13778), (6308, 12948), (6474, 12616), (6889, 11856), (8632, 9462)]