71947280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{433}}^1$

素因数の和:544

約数の個数: 80

約数和(自身を含む): 175655424

約数和(自身を除く): 103708144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 67, 80, 124, 134, 155, 248, 268, 310, 335, 433, 496, 536, 620, 670, 866, 1072, 1240, 1340, 1732, 2077, 2165, 2480, 2680, 3464, 4154, 4330, 5360, 6928, 8308, 8660, 10385, 13423, 16616, 17320, 20770, 26846, 29011, 33232, 34640, 41540, 53692, 58022, 67115, 83080, 107384, 116044, 134230, 145055, 166160, 214768, 232088, 268460, 290110, 464176, 536920, 580220, 899341, 1073840, 1160440, 1798682, 2320880, 3597364, 4496705, 7194728, 8993410, 14389456, 17986820, 35973640, 71947280]

約数ペア:

[(1, 71947280), (2, 35973640), (4, 17986820), (5, 14389456), (8, 8993410), (10, 7194728), (16, 4496705), (20, 3597364), (31, 2320880), (40, 1798682), (62, 1160440), (67, 1073840), (80, 899341), (124, 580220), (134, 536920), (155, 464176), (248, 290110), (268, 268460), (310, 232088), (335, 214768), (433, 166160), (496, 145055), (536, 134230), (620, 116044), (670, 107384), (866, 83080), (1072, 67115), (1240, 58022), (1340, 53692), (1732, 41540), (2077, 34640), (2165, 33232), (2480, 29011), (2680, 26846), (3464, 20770), (4154, 17320), (4330, 16616), (5360, 13423), (6928, 10385), (8308, 8660)]