71511580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1697}}^1$

素因数の和:1763

約数の個数: 72

約数和(自身を含む): 178860528

約数和(自身を除く): 107348948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 1697, 2107, 3010, 3394, 4214, 6020, 6788, 8428, 8485, 10535, 11879, 16970, 21070, 23758, 33940, 42140, 47516, 59395, 72971, 83153, 118790, 145942, 166306, 237580, 291884, 332612, 364855, 415765, 510797, 729710, 831530, 1021594, 1459420, 1663060, 2043188, 2553985, 3575579, 5107970, 7151158, 10215940, 14302316, 17877895, 35755790, 71511580]

約数ペア:

[(1, 71511580), (2, 35755790), (4, 17877895), (5, 14302316), (7, 10215940), (10, 7151158), (14, 5107970), (20, 3575579), (28, 2553985), (35, 2043188), (43, 1663060), (49, 1459420), (70, 1021594), (86, 831530), (98, 729710), (140, 510797), (172, 415765), (196, 364855), (215, 332612), (245, 291884), (301, 237580), (430, 166306), (490, 145942), (602, 118790), (860, 83153), (980, 72971), (1204, 59395), (1505, 47516), (1697, 42140), (2107, 33940), (3010, 23758), (3394, 21070), (4214, 16970), (6020, 11879), (6788, 10535), (8428, 8485)]