31577670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20639}}^1$

素因数の和:20669

約数の個数: 48

約数和(自身を含む): 86935680

約数和(自身を除く): 55358010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 20639, 41278, 61917, 103195, 123834, 185751, 206390, 309585, 350863, 371502, 619170, 701726, 928755, 1052589, 1754315, 1857510, 2105178, 3157767, 3508630, 5262945, 6315534, 10525890, 15788835, 31577670]

約数ペア:

[(1, 31577670), (2, 15788835), (3, 10525890), (5, 6315534), (6, 5262945), (9, 3508630), (10, 3157767), (15, 2105178), (17, 1857510), (18, 1754315), (30, 1052589), (34, 928755), (45, 701726), (51, 619170), (85, 371502), (90, 350863), (102, 309585), (153, 206390), (170, 185751), (255, 123834), (306, 103195), (510, 61917), (765, 41278), (1530, 20639)]