72105285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{769}}^1$

素因数の和:850

約数の個数: 64

約数和(自身を含む): 141926400

約数和(自身を除く): 69821115

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 47, 57, 95, 105, 133, 141, 235, 285, 329, 399, 665, 705, 769, 893, 987, 1645, 1995, 2307, 2679, 3845, 4465, 4935, 5383, 6251, 11535, 13395, 14611, 16149, 18753, 26915, 31255, 36143, 43833, 73055, 80745, 93765, 102277, 108429, 180715, 219165, 253001, 306831, 511385, 542145, 686717, 759003, 1265005, 1534155, 2060151, 3433585, 3795015, 4807019, 10300755, 14421057, 24035095, 72105285]

約数ペア:

[(1, 72105285), (3, 24035095), (5, 14421057), (7, 10300755), (15, 4807019), (19, 3795015), (21, 3433585), (35, 2060151), (47, 1534155), (57, 1265005), (95, 759003), (105, 686717), (133, 542145), (141, 511385), (235, 306831), (285, 253001), (329, 219165), (399, 180715), (665, 108429), (705, 102277), (769, 93765), (893, 80745), (987, 73055), (1645, 43833), (1995, 36143), (2307, 31255), (2679, 26915), (3845, 18753), (4465, 16149), (4935, 14611), (5383, 13395), (6251, 11535)]