15431440

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2879}}^1$

素因数の和:2959

約数の個数: 40

約数和(自身を含む): 36426240

約数和(自身を除く): 20994800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 2879, 5360, 5758, 11516, 14395, 23032, 28790, 46064, 57580, 115160, 192893, 230320, 385786, 771572, 964465, 1543144, 1928930, 3086288, 3857860, 7715720, 15431440]

約数ペア:

[(1, 15431440), (2, 7715720), (4, 3857860), (5, 3086288), (8, 1928930), (10, 1543144), (16, 964465), (20, 771572), (40, 385786), (67, 230320), (80, 192893), (134, 115160), (268, 57580), (335, 46064), (536, 28790), (670, 23032), (1072, 14395), (1340, 11516), (2680, 5758), (2879, 5360)]