30197580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71899}}^1$

素因数の和:71918

約数の個数: 48

約数和(自身を含む): 96633600

約数和(自身を除く): 66436020

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, 71899, 143798, 215697, 287596, 359495, 431394, 503293, 718990, 862788, 1006586, 1078485, 1437980, 1509879, 2013172, 2156970, 2516465, 3019758, 4313940, 5032930, 6039516, 7549395, 10065860, 15098790, 30197580]

約数ペア:

[(1, 30197580), (2, 15098790), (3, 10065860), (4, 7549395), (5, 6039516), (6, 5032930), (7, 4313940), (10, 3019758), (12, 2516465), (14, 2156970), (15, 2013172), (20, 1509879), (21, 1437980), (28, 1078485), (30, 1006586), (35, 862788), (42, 718990), (60, 503293), (70, 431394), (84, 359495), (105, 287596), (140, 215697), (210, 143798), (420, 71899)]