29981640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19219}}^1$

素因数の和:19246

約数の個数: 64

約数和(自身を含む): 96868800

約数和(自身を除く): 66887160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 19219, 38438, 57657, 76876, 96095, 115314, 153752, 192190, 230628, 249847, 288285, 384380, 461256, 499694, 576570, 749541, 768760, 999388, 1153140, 1249235, 1499082, 1998776, 2306280, 2498470, 2998164, 3747705, 4996940, 5996328, 7495410, 9993880, 14990820, 29981640]

約数ペア:

[(1, 29981640), (2, 14990820), (3, 9993880), (4, 7495410), (5, 5996328), (6, 4996940), (8, 3747705), (10, 2998164), (12, 2498470), (13, 2306280), (15, 1998776), (20, 1499082), (24, 1249235), (26, 1153140), (30, 999388), (39, 768760), (40, 749541), (52, 576570), (60, 499694), (65, 461256), (78, 384380), (104, 288285), (120, 249847), (130, 230628), (156, 192190), (195, 153752), (260, 115314), (312, 96095), (390, 76876), (520, 57657), (780, 38438), (1560, 19219)]