72031540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1831}}^1$

素因数の和:2128

約数の個数: 48

約数和(自身を含む): 173585664

約数和(自身を除く): 101554124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 281, 562, 1124, 1405, 1831, 1967, 2810, 3662, 3934, 5620, 7324, 7868, 9155, 9835, 12817, 18310, 19670, 25634, 36620, 39340, 51268, 64085, 128170, 256340, 514511, 1029022, 2058044, 2572555, 3601577, 5145110, 7203154, 10290220, 14406308, 18007885, 36015770, 72031540]

約数ペア:

[(1, 72031540), (2, 36015770), (4, 18007885), (5, 14406308), (7, 10290220), (10, 7203154), (14, 5145110), (20, 3601577), (28, 2572555), (35, 2058044), (70, 1029022), (140, 514511), (281, 256340), (562, 128170), (1124, 64085), (1405, 51268), (1831, 39340), (1967, 36620), (2810, 25634), (3662, 19670), (3934, 18310), (5620, 12817), (7324, 9835), (7868, 9155)]