786817980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{336247}}^1$

素因数の和:336275

約数の個数: 72

約数和(自身を含む): 2570279712

約数和(自身を除く): 1783461732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 336247, 672494, 1008741, 1344988, 1681235, 2017482, 3026223, 3362470, 4034964, 4371211, 5043705, 6052446, 6724940, 8742422, 10087410, 12104892, 13113633, 15131115, 17484844, 20174820, 21856055, 26227266, 30262230, 39340899, 43712110, 52454532, 60524460, 65568165, 78681798, 87424220, 131136330, 157363596, 196704495, 262272660, 393408990, 786817980]

約数ペア:

[(1, 786817980), (2, 393408990), (3, 262272660), (4, 196704495), (5, 157363596), (6, 131136330), (9, 87424220), (10, 78681798), (12, 65568165), (13, 60524460), (15, 52454532), (18, 43712110), (20, 39340899), (26, 30262230), (30, 26227266), (36, 21856055), (39, 20174820), (45, 17484844), (52, 15131115), (60, 13113633), (65, 12104892), (78, 10087410), (90, 8742422), (117, 6724940), (130, 6052446), (156, 5043705), (180, 4371211), (195, 4034964), (234, 3362470), (260, 3026223), (390, 2017482), (468, 1681235), (585, 1344988), (780, 1008741), (1170, 672494), (2340, 336247)]