81589560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52301}}^1$

素因数の和:52328

約数の個数: 64

約数和(自身を含む): 263602080

約数和(自身を除く): 182012520

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, 52301, 104602, 156903, 209204, 261505, 313806, 418408, 523010, 627612, 679913, 784515, 1046020, 1255224, 1359826, 1569030, 2039739, 2092040, 2719652, 3138060, 3399565, 4079478, 5439304, 6276120, 6799130, 8158956, 10198695, 13598260, 16317912, 20397390, 27196520, 40794780, 81589560]

約数ペア:

[(1, 81589560), (2, 40794780), (3, 27196520), (4, 20397390), (5, 16317912), (6, 13598260), (8, 10198695), (10, 8158956), (12, 6799130), (13, 6276120), (15, 5439304), (20, 4079478), (24, 3399565), (26, 3138060), (30, 2719652), (39, 2092040), (40, 2039739), (52, 1569030), (60, 1359826), (65, 1255224), (78, 1046020), (104, 784515), (120, 679913), (130, 627612), (156, 523010), (195, 418408), (260, 313806), (312, 261505), (390, 209204), (520, 156903), (780, 104602), (1560, 52301)]