72969280

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5303}}^1$

素因数の和:5363

約数の個数: 56

約数和(自身を含む): 177832512

約数和(自身を除く): 104863232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2752, 3440, 5303, 6880, 10606, 13760, 21212, 26515, 42424, 53030, 84848, 106060, 169696, 212120, 228029, 339392, 424240, 456058, 848480, 912116, 1140145, 1696960, 1824232, 2280290, 3648464, 4560580, 7296928, 9121160, 14593856, 18242320, 36484640, 72969280]

約数ペア:

[(1, 72969280), (2, 36484640), (4, 18242320), (5, 14593856), (8, 9121160), (10, 7296928), (16, 4560580), (20, 3648464), (32, 2280290), (40, 1824232), (43, 1696960), (64, 1140145), (80, 912116), (86, 848480), (160, 456058), (172, 424240), (215, 339392), (320, 228029), (344, 212120), (430, 169696), (688, 106060), (860, 84848), (1376, 53030), (1720, 42424), (2752, 26515), (3440, 21212), (5303, 13760), (6880, 10606)]