81274410

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:193

約数の個数: 192

約数和(自身を含む): 258785280

約数和(自身を除く): 177510870

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 30, 35, 42, 45, 46, 63, 69, 70, 71, 79, 90, 105, 115, 126, 138, 142, 158, 161, 207, 210, 213, 230, 237, 315, 322, 345, 355, 395, 414, 426, 474, 483, 497, 553, 630, 639, 690, 710, 711, 790, 805, 966, 994, 1035, 1065, 1106, 1185, 1278, 1422, 1449, 1491, 1610, 1633, 1659, 1817, 2070, 2130, 2370, 2415, 2485, 2765, 2898, 2982, 3195, 3266, 3318, 3555, 3634, 4473, 4830, 4899, 4970, 4977, 5451, 5530, 5609, 6390, 7110, 7245, 7455, 8165, 8295, 8946, 9085, 9798, 9954, 10902, 11218, 11431, 12719, 14490, 14697, 14910, 16330, 16353, 16590, 16827, 18170, 22365, 22862, 24495, 24885, 25438, 27255, 28045, 29394, 32706, 33654, 34293, 38157, 39263, 44730, 48990, 49770, 50481, 54510, 56090, 57155, 63595, 68586, 73485, 76314, 78526, 81765, 84135, 100962, 102879, 114310, 114471, 117789, 127190, 129007, 146970, 163530, 168270, 171465, 190785, 196315, 205758, 228942, 235578, 252405, 258014, 342930, 353367, 381570, 387021, 392630, 504810, 514395, 572355, 588945, 645035, 706734, 774042, 903049, 1028790, 1144710, 1161063, 1177890, 1290070, 1766835, 1806098, 1935105, 2322126, 2709147, 3533670, 3870210, 4515245, 5418294, 5805315, 8127441, 9030490, 11610630, 13545735, 16254882, 27091470, 40637205, 81274410]

約数ペア:

[(1, 81274410), (2, 40637205), (3, 27091470), (5, 16254882), (6, 13545735), (7, 11610630), (9, 9030490), (10, 8127441), (14, 5805315), (15, 5418294), (18, 4515245), (21, 3870210), (23, 3533670), (30, 2709147), (35, 2322126), (42, 1935105), (45, 1806098), (46, 1766835), (63, 1290070), (69, 1177890), (70, 1161063), (71, 1144710), (79, 1028790), (90, 903049), (105, 774042), (115, 706734), (126, 645035), (138, 588945), (142, 572355), (158, 514395), (161, 504810), (207, 392630), (210, 387021), (213, 381570), (230, 353367), (237, 342930), (315, 258014), (322, 252405), (345, 235578), (355, 228942), (395, 205758), (414, 196315), (426, 190785), (474, 171465), (483, 168270), (497, 163530), (553, 146970), (630, 129007), (639, 127190), (690, 117789), (710, 114471), (711, 114310), (790, 102879), (805, 100962), (966, 84135), (994, 81765), (1035, 78526), (1065, 76314), (1106, 73485), (1185, 68586), (1278, 63595), (1422, 57155), (1449, 56090), (1491, 54510), (1610, 50481), (1633, 49770), (1659, 48990), (1817, 44730), (2070, 39263), (2130, 38157), (2370, 34293), (2415, 33654), (2485, 32706), (2765, 29394), (2898, 28045), (2982, 27255), (3195, 25438), (3266, 24885), (3318, 24495), (3555, 22862), (3634, 22365), (4473, 18170), (4830, 16827), (4899, 16590), (4970, 16353), (4977, 16330), (5451, 14910), (5530, 14697), (5609, 14490), (6390, 12719), (7110, 11431), (7245, 11218), (7455, 10902), (8165, 9954), (8295, 9798), (8946, 9085)]