201609880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{1559}}^1$

素因数の和:1684

約数の個数: 64

約数和(自身を含む): 470059200

約数和(自身を除く): 268449320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 61, 106, 122, 212, 244, 265, 305, 424, 488, 530, 610, 1060, 1220, 1559, 2120, 2440, 3118, 3233, 6236, 6466, 7795, 12472, 12932, 15590, 16165, 25864, 31180, 32330, 62360, 64660, 82627, 95099, 129320, 165254, 190198, 330508, 380396, 413135, 475495, 661016, 760792, 826270, 950990, 1652540, 1901980, 3305080, 3803960, 5040247, 10080494, 20160988, 25201235, 40321976, 50402470, 100804940, 201609880]

約数ペア:

[(1, 201609880), (2, 100804940), (4, 50402470), (5, 40321976), (8, 25201235), (10, 20160988), (20, 10080494), (40, 5040247), (53, 3803960), (61, 3305080), (106, 1901980), (122, 1652540), (212, 950990), (244, 826270), (265, 760792), (305, 661016), (424, 475495), (488, 413135), (530, 380396), (610, 330508), (1060, 190198), (1220, 165254), (1559, 129320), (2120, 95099), (2440, 82627), (3118, 64660), (3233, 62360), (6236, 32330), (6466, 31180), (7795, 25864), (12472, 16165), (12932, 15590)]