1296788480

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19483}}^1$

素因数の和:19521

約数の個数: 88

約数和(自身を含む): 3350234832

約数和(自身を除く): 2053446352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1024, 1040, 1280, 1664, 2080, 2560, 3328, 4160, 5120, 6656, 8320, 13312, 16640, 19483, 33280, 38966, 66560, 77932, 97415, 155864, 194830, 253279, 311728, 389660, 506558, 623456, 779320, 1013116, 1246912, 1266395, 1558640, 2026232, 2493824, 2532790, 3117280, 4052464, 4987648, 5065580, 6234560, 8104928, 9975296, 10131160, 12469120, 16209856, 19950592, 20262320, 24938240, 32419712, 40524640, 49876480, 64839424, 81049280, 99752960, 129678848, 162098560, 259357696, 324197120, 648394240, 1296788480]

約数ペア:

[(1, 1296788480), (2, 648394240), (4, 324197120), (5, 259357696), (8, 162098560), (10, 129678848), (13, 99752960), (16, 81049280), (20, 64839424), (26, 49876480), (32, 40524640), (40, 32419712), (52, 24938240), (64, 20262320), (65, 19950592), (80, 16209856), (104, 12469120), (128, 10131160), (130, 9975296), (160, 8104928), (208, 6234560), (256, 5065580), (260, 4987648), (320, 4052464), (416, 3117280), (512, 2532790), (520, 2493824), (640, 2026232), (832, 1558640), (1024, 1266395), (1040, 1246912), (1280, 1013116), (1664, 779320), (2080, 623456), (2560, 506558), (3328, 389660), (4160, 311728), (5120, 253279), (6656, 194830), (8320, 155864), (13312, 97415), (16640, 77932), (19483, 66560), (33280, 38966)]