12880260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{439}}^1$

素因数の和:617

約数の個数: 72

約数和(自身を含む): 39399360

約数和(自身を除く): 26519100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 326, 439, 489, 652, 815, 878, 978, 1317, 1467, 1630, 1756, 1956, 2195, 2445, 2634, 2934, 3260, 3951, 4390, 4890, 5268, 5868, 6585, 7335, 7902, 8780, 9780, 13170, 14670, 15804, 19755, 26340, 29340, 39510, 71557, 79020, 143114, 214671, 286228, 357785, 429342, 644013, 715570, 858684, 1073355, 1288026, 1431140, 2146710, 2576052, 3220065, 4293420, 6440130, 12880260]

約数ペア:

[(1, 12880260), (2, 6440130), (3, 4293420), (4, 3220065), (5, 2576052), (6, 2146710), (9, 1431140), (10, 1288026), (12, 1073355), (15, 858684), (18, 715570), (20, 644013), (30, 429342), (36, 357785), (45, 286228), (60, 214671), (90, 143114), (163, 79020), (180, 71557), (326, 39510), (439, 29340), (489, 26340), (652, 19755), (815, 15804), (878, 14670), (978, 13170), (1317, 9780), (1467, 8780), (1630, 7902), (1756, 7335), (1956, 6585), (2195, 5868), (2445, 5268), (2634, 4890), (2934, 4390), (3260, 3951)]