12821640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8219}}^1$

素因数の和:8246

約数の個数: 64

約数和(自身を含む): 41428800

約数和(自身を除く): 28607160

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, 8219, 16438, 24657, 32876, 41095, 49314, 65752, 82190, 98628, 106847, 123285, 164380, 197256, 213694, 246570, 320541, 328760, 427388, 493140, 534235, 641082, 854776, 986280, 1068470, 1282164, 1602705, 2136940, 2564328, 3205410, 4273880, 6410820, 12821640]

約数ペア:

[(1, 12821640), (2, 6410820), (3, 4273880), (4, 3205410), (5, 2564328), (6, 2136940), (8, 1602705), (10, 1282164), (12, 1068470), (13, 986280), (15, 854776), (20, 641082), (24, 534235), (26, 493140), (30, 427388), (39, 328760), (40, 320541), (52, 246570), (60, 213694), (65, 197256), (78, 164380), (104, 123285), (120, 106847), (130, 98628), (156, 82190), (195, 65752), (260, 49314), (312, 41095), (390, 32876), (520, 24657), (780, 16438), (1560, 8219)]