138864780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{28573}}^1$

素因数の和:28597

約数の個数: 72

約数和(自身を含む): 436839312

約数和(自身を除く): 297974532

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, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 28573, 57146, 85719, 114292, 142865, 171438, 257157, 285730, 342876, 428595, 514314, 571460, 771471, 857190, 1028628, 1285785, 1542942, 1714380, 2314413, 2571570, 3085884, 3857355, 4628826, 5143140, 6943239, 7714710, 9257652, 11572065, 13886478, 15429420, 23144130, 27772956, 34716195, 46288260, 69432390, 138864780]

約数ペア:

[(1, 138864780), (2, 69432390), (3, 46288260), (4, 34716195), (5, 27772956), (6, 23144130), (9, 15429420), (10, 13886478), (12, 11572065), (15, 9257652), (18, 7714710), (20, 6943239), (27, 5143140), (30, 4628826), (36, 3857355), (45, 3085884), (54, 2571570), (60, 2314413), (81, 1714380), (90, 1542942), (108, 1285785), (135, 1028628), (162, 857190), (180, 771471), (243, 571460), (270, 514314), (324, 428595), (405, 342876), (486, 285730), (540, 257157), (810, 171438), (972, 142865), (1215, 114292), (1620, 85719), (2430, 57146), (4860, 28573)]