31907820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{10853}}^1$

素因数の和:10879

約数の個数: 72

約数和(自身を含む): 103937904

約数和(自身を除く): 72030084

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 10853, 21706, 32559, 43412, 54265, 65118, 75971, 108530, 130236, 151942, 162795, 217060, 227913, 303884, 325590, 379855, 455826, 531797, 651180, 759710, 911652, 1063594, 1139565, 1519420, 1595391, 2127188, 2279130, 2658985, 3190782, 4558260, 5317970, 6381564, 7976955, 10635940, 15953910, 31907820]

約数ペア:

[(1, 31907820), (2, 15953910), (3, 10635940), (4, 7976955), (5, 6381564), (6, 5317970), (7, 4558260), (10, 3190782), (12, 2658985), (14, 2279130), (15, 2127188), (20, 1595391), (21, 1519420), (28, 1139565), (30, 1063594), (35, 911652), (42, 759710), (49, 651180), (60, 531797), (70, 455826), (84, 379855), (98, 325590), (105, 303884), (140, 227913), (147, 217060), (196, 162795), (210, 151942), (245, 130236), (294, 108530), (420, 75971), (490, 65118), (588, 54265), (735, 43412), (980, 32559), (1470, 21706), (2940, 10853)]