31656420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19541}}^1$

素因数の和:19562

約数の個数: 60

約数和(自身を含む): 99312444

約数和(自身を除く): 67656024

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 19541, 39082, 58623, 78164, 97705, 117246, 175869, 195410, 234492, 293115, 351738, 390820, 527607, 586230, 703476, 879345, 1055214, 1172460, 1582821, 1758690, 2110428, 2638035, 3165642, 3517380, 5276070, 6331284, 7914105, 10552140, 15828210, 31656420]

約数ペア:

[(1, 31656420), (2, 15828210), (3, 10552140), (4, 7914105), (5, 6331284), (6, 5276070), (9, 3517380), (10, 3165642), (12, 2638035), (15, 2110428), (18, 1758690), (20, 1582821), (27, 1172460), (30, 1055214), (36, 879345), (45, 703476), (54, 586230), (60, 527607), (81, 390820), (90, 351738), (108, 293115), (135, 234492), (162, 195410), (180, 175869), (270, 117246), (324, 97705), (405, 78164), (540, 58623), (810, 39082), (1620, 19541)]