81829880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:126

約数の個数: 128

約数和(自身を含む): 213451200

約数和(自身を除く): 131621320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 53, 55, 58, 88, 106, 110, 116, 121, 145, 212, 220, 232, 242, 265, 290, 319, 424, 440, 484, 530, 580, 583, 605, 638, 968, 1060, 1160, 1166, 1210, 1276, 1331, 1537, 1595, 2120, 2332, 2420, 2552, 2662, 2915, 3074, 3190, 3509, 4664, 4840, 5324, 5830, 6148, 6380, 6413, 6655, 7018, 7685, 10648, 11660, 12296, 12760, 12826, 13310, 14036, 15370, 16907, 17545, 23320, 25652, 26620, 28072, 30740, 32065, 33814, 35090, 38599, 51304, 53240, 61480, 64130, 67628, 70180, 70543, 77198, 84535, 128260, 135256, 140360, 141086, 154396, 169070, 185977, 192995, 256520, 282172, 308792, 338140, 352715, 371954, 385990, 564344, 676280, 705430, 743908, 771980, 929885, 1410860, 1487816, 1543960, 1859770, 2045747, 2821720, 3719540, 4091494, 7439080, 8182988, 10228735, 16365976, 20457470, 40914940, 81829880]

約数ペア:

[(1, 81829880), (2, 40914940), (4, 20457470), (5, 16365976), (8, 10228735), (10, 8182988), (11, 7439080), (20, 4091494), (22, 3719540), (29, 2821720), (40, 2045747), (44, 1859770), (53, 1543960), (55, 1487816), (58, 1410860), (88, 929885), (106, 771980), (110, 743908), (116, 705430), (121, 676280), (145, 564344), (212, 385990), (220, 371954), (232, 352715), (242, 338140), (265, 308792), (290, 282172), (319, 256520), (424, 192995), (440, 185977), (484, 169070), (530, 154396), (580, 141086), (583, 140360), (605, 135256), (638, 128260), (968, 84535), (1060, 77198), (1160, 70543), (1166, 70180), (1210, 67628), (1276, 64130), (1331, 61480), (1537, 53240), (1595, 51304), (2120, 38599), (2332, 35090), (2420, 33814), (2552, 32065), (2662, 30740), (2915, 28072), (3074, 26620), (3190, 25652), (3509, 23320), (4664, 17545), (4840, 16907), (5324, 15370), (5830, 14036), (6148, 13310), (6380, 12826), (6413, 12760), (6655, 12296), (7018, 11660), (7685, 10648)]