30638580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{72949}}^1$

素因数の和:72968

約数の個数: 48

約数和(自身を含む): 98044800

約数和(自身を除く): 67406220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 72949, 145898, 218847, 291796, 364745, 437694, 510643, 729490, 875388, 1021286, 1094235, 1458980, 1531929, 2042572, 2188470, 2553215, 3063858, 4376940, 5106430, 6127716, 7659645, 10212860, 15319290, 30638580]

約数ペア:

[(1, 30638580), (2, 15319290), (3, 10212860), (4, 7659645), (5, 6127716), (6, 5106430), (7, 4376940), (10, 3063858), (12, 2553215), (14, 2188470), (15, 2042572), (20, 1531929), (21, 1458980), (28, 1094235), (30, 1021286), (35, 875388), (42, 729490), (60, 510643), (70, 437694), (84, 364745), (105, 291796), (140, 218847), (210, 145898), (420, 72949)]