1273977640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:443

約数の個数: 128

約数和(自身を含む): 3158507520

約数和(自身を除く): 1884529880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 101, 104, 127, 130, 191, 202, 254, 260, 382, 404, 505, 508, 520, 635, 764, 808, 955, 1010, 1016, 1270, 1313, 1528, 1651, 1910, 2020, 2483, 2540, 2626, 3302, 3820, 4040, 4966, 5080, 5252, 6565, 6604, 7640, 8255, 9932, 10504, 12415, 12827, 13130, 13208, 16510, 19291, 19864, 24257, 24830, 25654, 26260, 33020, 38582, 48514, 49660, 51308, 52520, 64135, 66040, 77164, 96455, 97028, 99320, 102616, 121285, 128270, 154328, 166751, 192910, 194056, 242570, 250783, 256540, 315341, 333502, 385820, 485140, 501566, 513080, 630682, 667004, 771640, 833755, 970280, 1003132, 1253915, 1261364, 1334008, 1576705, 1667510, 2006264, 2449957, 2507830, 2522728, 3153410, 3335020, 4899914, 5015660, 6306820, 6670040, 9799828, 10031320, 12249785, 12613640, 19599656, 24499570, 31849441, 48999140, 63698882, 97998280, 127397764, 159247205, 254795528, 318494410, 636988820, 1273977640]

約数ペア:

[(1, 1273977640), (2, 636988820), (4, 318494410), (5, 254795528), (8, 159247205), (10, 127397764), (13, 97998280), (20, 63698882), (26, 48999140), (40, 31849441), (52, 24499570), (65, 19599656), (101, 12613640), (104, 12249785), (127, 10031320), (130, 9799828), (191, 6670040), (202, 6306820), (254, 5015660), (260, 4899914), (382, 3335020), (404, 3153410), (505, 2522728), (508, 2507830), (520, 2449957), (635, 2006264), (764, 1667510), (808, 1576705), (955, 1334008), (1010, 1261364), (1016, 1253915), (1270, 1003132), (1313, 970280), (1528, 833755), (1651, 771640), (1910, 667004), (2020, 630682), (2483, 513080), (2540, 501566), (2626, 485140), (3302, 385820), (3820, 333502), (4040, 315341), (4966, 256540), (5080, 250783), (5252, 242570), (6565, 194056), (6604, 192910), (7640, 166751), (8255, 154328), (9932, 128270), (10504, 121285), (12415, 102616), (12827, 99320), (13130, 97028), (13208, 96455), (16510, 77164), (19291, 66040), (19864, 64135), (24257, 52520), (24830, 51308), (25654, 49660), (26260, 48514), (33020, 38582)]