78657210

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{919}}^1$

素因数の和:1252

約数の個数: 64

約数和(自身を含む): 210643200

約数和(自身を除く): 131985990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 317, 634, 919, 951, 1585, 1838, 1902, 2757, 2853, 3170, 4595, 4755, 5514, 5706, 8271, 8559, 9190, 9510, 13785, 14265, 16542, 17118, 24813, 27570, 28530, 41355, 42795, 49626, 82710, 85590, 124065, 248130, 291323, 582646, 873969, 1456615, 1747938, 2621907, 2913230, 4369845, 5243814, 7865721, 8739690, 13109535, 15731442, 26219070, 39328605, 78657210]

約数ペア:

[(1, 78657210), (2, 39328605), (3, 26219070), (5, 15731442), (6, 13109535), (9, 8739690), (10, 7865721), (15, 5243814), (18, 4369845), (27, 2913230), (30, 2621907), (45, 1747938), (54, 1456615), (90, 873969), (135, 582646), (270, 291323), (317, 248130), (634, 124065), (919, 85590), (951, 82710), (1585, 49626), (1838, 42795), (1902, 41355), (2757, 28530), (2853, 27570), (3170, 24813), (4595, 17118), (4755, 16542), (5514, 14265), (5706, 13785), (8271, 9510), (8559, 9190)]