2647320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1697}}^1$

素因数の和:1724

約数の個数: 64

約数和(自身を含む): 8557920

約数和(自身を除く): 5910600

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, 1697, 3394, 5091, 6788, 8485, 10182, 13576, 16970, 20364, 22061, 25455, 33940, 40728, 44122, 50910, 66183, 67880, 88244, 101820, 110305, 132366, 176488, 203640, 220610, 264732, 330915, 441220, 529464, 661830, 882440, 1323660, 2647320]

約数ペア:

[(1, 2647320), (2, 1323660), (3, 882440), (4, 661830), (5, 529464), (6, 441220), (8, 330915), (10, 264732), (12, 220610), (13, 203640), (15, 176488), (20, 132366), (24, 110305), (26, 101820), (30, 88244), (39, 67880), (40, 66183), (52, 50910), (60, 44122), (65, 40728), (78, 33940), (104, 25455), (120, 22061), (130, 20364), (156, 16970), (195, 13576), (260, 10182), (312, 8485), (390, 6788), (520, 5091), (780, 3394), (1560, 1697)]