173820420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6481}}^1$

素因数の和:6645

約数の個数: 72

約数和(自身を含む): 530875800

約数和(自身を除く): 357055380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 1341, 1490, 1788, 2235, 2682, 2980, 4470, 5364, 6481, 6705, 8940, 12962, 13410, 19443, 25924, 26820, 32405, 38886, 58329, 64810, 77772, 97215, 116658, 129620, 194430, 233316, 291645, 388860, 583290, 965669, 1166580, 1931338, 2897007, 3862676, 4828345, 5794014, 8691021, 9656690, 11588028, 14485035, 17382042, 19313380, 28970070, 34764084, 43455105, 57940140, 86910210, 173820420]

約数ペア:

[(1, 173820420), (2, 86910210), (3, 57940140), (4, 43455105), (5, 34764084), (6, 28970070), (9, 19313380), (10, 17382042), (12, 14485035), (15, 11588028), (18, 9656690), (20, 8691021), (30, 5794014), (36, 4828345), (45, 3862676), (60, 2897007), (90, 1931338), (149, 1166580), (180, 965669), (298, 583290), (447, 388860), (596, 291645), (745, 233316), (894, 194430), (1341, 129620), (1490, 116658), (1788, 97215), (2235, 77772), (2682, 64810), (2980, 58329), (4470, 38886), (5364, 32405), (6481, 26820), (6705, 25924), (8940, 19443), (12962, 13410)]