64940280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{18661}}^1$

素因数の和:18704

約数の個数: 64

約数和(自身を含む): 201549600

約数和(自身を除く): 136609320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 18661, 37322, 55983, 74644, 93305, 111966, 149288, 186610, 223932, 279915, 373220, 447864, 541169, 559830, 746440, 1082338, 1119660, 1623507, 2164676, 2239320, 2705845, 3247014, 4329352, 5411690, 6494028, 8117535, 10823380, 12988056, 16235070, 21646760, 32470140, 64940280]

約数ペア:

[(1, 64940280), (2, 32470140), (3, 21646760), (4, 16235070), (5, 12988056), (6, 10823380), (8, 8117535), (10, 6494028), (12, 5411690), (15, 4329352), (20, 3247014), (24, 2705845), (29, 2239320), (30, 2164676), (40, 1623507), (58, 1119660), (60, 1082338), (87, 746440), (116, 559830), (120, 541169), (145, 447864), (174, 373220), (232, 279915), (290, 223932), (348, 186610), (435, 149288), (580, 111966), (696, 93305), (870, 74644), (1160, 55983), (1740, 37322), (3480, 18661)]