51639240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{653}}^1\times {\mathrm{659}}^1$

素因数の和:1326

約数の個数: 64

約数和(自身を含む): 155390400

約数和(自身を除く): 103751160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 653, 659, 1306, 1318, 1959, 1977, 2612, 2636, 3265, 3295, 3918, 3954, 5224, 5272, 6530, 6590, 7836, 7908, 9795, 9885, 13060, 13180, 15672, 15816, 19590, 19770, 26120, 26360, 39180, 39540, 78360, 79080, 430327, 860654, 1290981, 1721308, 2151635, 2581962, 3442616, 4303270, 5163924, 6454905, 8606540, 10327848, 12909810, 17213080, 25819620, 51639240]

約数ペア:

[(1, 51639240), (2, 25819620), (3, 17213080), (4, 12909810), (5, 10327848), (6, 8606540), (8, 6454905), (10, 5163924), (12, 4303270), (15, 3442616), (20, 2581962), (24, 2151635), (30, 1721308), (40, 1290981), (60, 860654), (120, 430327), (653, 79080), (659, 78360), (1306, 39540), (1318, 39180), (1959, 26360), (1977, 26120), (2612, 19770), (2636, 19590), (3265, 15816), (3295, 15672), (3918, 13180), (3954, 13060), (5224, 9885), (5272, 9795), (6530, 7908), (6590, 7836)]