82531820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:148

約数の個数: 144

約数和(自身を含む): 221211648

約数和(自身を除く): 138679828

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 28, 35, 38, 46, 70, 71, 76, 92, 95, 115, 133, 140, 142, 161, 190, 230, 266, 284, 322, 355, 361, 380, 437, 460, 497, 532, 644, 665, 710, 722, 805, 874, 994, 1330, 1349, 1420, 1444, 1610, 1633, 1748, 1805, 1988, 2185, 2485, 2527, 2660, 2698, 3059, 3220, 3266, 3610, 4370, 4970, 5054, 5396, 6118, 6532, 6745, 7220, 8165, 8303, 8740, 9443, 9940, 10108, 11431, 12236, 12635, 13490, 15295, 16330, 16606, 18886, 22862, 25270, 25631, 26980, 30590, 31027, 32660, 33212, 37772, 41515, 45724, 47215, 50540, 51262, 57155, 58121, 61180, 62054, 83030, 94430, 102524, 114310, 116242, 124108, 128155, 155135, 166060, 179417, 188860, 217189, 228620, 232484, 256310, 290605, 310270, 358834, 434378, 512620, 581210, 589513, 620540, 717668, 868756, 897085, 1085945, 1162420, 1179026, 1794170, 2171890, 2358052, 2947565, 3588340, 4126591, 4343780, 5895130, 8253182, 11790260, 16506364, 20632955, 41265910, 82531820]

約数ペア:

[(1, 82531820), (2, 41265910), (4, 20632955), (5, 16506364), (7, 11790260), (10, 8253182), (14, 5895130), (19, 4343780), (20, 4126591), (23, 3588340), (28, 2947565), (35, 2358052), (38, 2171890), (46, 1794170), (70, 1179026), (71, 1162420), (76, 1085945), (92, 897085), (95, 868756), (115, 717668), (133, 620540), (140, 589513), (142, 581210), (161, 512620), (190, 434378), (230, 358834), (266, 310270), (284, 290605), (322, 256310), (355, 232484), (361, 228620), (380, 217189), (437, 188860), (460, 179417), (497, 166060), (532, 155135), (644, 128155), (665, 124108), (710, 116242), (722, 114310), (805, 102524), (874, 94430), (994, 83030), (1330, 62054), (1349, 61180), (1420, 58121), (1444, 57155), (1610, 51262), (1633, 50540), (1748, 47215), (1805, 45724), (1988, 41515), (2185, 37772), (2485, 33212), (2527, 32660), (2660, 31027), (2698, 30590), (3059, 26980), (3220, 25631), (3266, 25270), (3610, 22862), (4370, 18886), (4970, 16606), (5054, 16330), (5396, 15295), (6118, 13490), (6532, 12635), (6745, 12236), (7220, 11431), (8165, 10108), (8303, 9940), (8740, 9443)]