77867880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:443

約数の個数: 128

約数和(自身を含む): 247276800

約数和(自身を除く): 169408920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 89, 92, 115, 120, 138, 178, 184, 230, 267, 276, 317, 345, 356, 445, 460, 534, 552, 634, 690, 712, 890, 920, 951, 1068, 1268, 1335, 1380, 1585, 1780, 1902, 2047, 2136, 2536, 2670, 2760, 3170, 3560, 3804, 4094, 4755, 5340, 6141, 6340, 7291, 7608, 8188, 9510, 10235, 10680, 12282, 12680, 14582, 16376, 19020, 20470, 21873, 24564, 28213, 29164, 30705, 36455, 38040, 40940, 43746, 49128, 56426, 58328, 61410, 72910, 81880, 84639, 87492, 109365, 112852, 122820, 141065, 145820, 169278, 174984, 218730, 225704, 245640, 282130, 291640, 338556, 423195, 437460, 564260, 648899, 677112, 846390, 874920, 1128520, 1297798, 1692780, 1946697, 2595596, 3244495, 3385560, 3893394, 5191192, 6488990, 7786788, 9733485, 12977980, 15573576, 19466970, 25955960, 38933940, 77867880]

約数ペア:

[(1, 77867880), (2, 38933940), (3, 25955960), (4, 19466970), (5, 15573576), (6, 12977980), (8, 9733485), (10, 7786788), (12, 6488990), (15, 5191192), (20, 3893394), (23, 3385560), (24, 3244495), (30, 2595596), (40, 1946697), (46, 1692780), (60, 1297798), (69, 1128520), (89, 874920), (92, 846390), (115, 677112), (120, 648899), (138, 564260), (178, 437460), (184, 423195), (230, 338556), (267, 291640), (276, 282130), (317, 245640), (345, 225704), (356, 218730), (445, 174984), (460, 169278), (534, 145820), (552, 141065), (634, 122820), (690, 112852), (712, 109365), (890, 87492), (920, 84639), (951, 81880), (1068, 72910), (1268, 61410), (1335, 58328), (1380, 56426), (1585, 49128), (1780, 43746), (1902, 40940), (2047, 38040), (2136, 36455), (2536, 30705), (2670, 29164), (2760, 28213), (3170, 24564), (3560, 21873), (3804, 20470), (4094, 19020), (4755, 16376), (5340, 14582), (6141, 12680), (6340, 12282), (7291, 10680), (7608, 10235), (8188, 9510)]