15697380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{659}}^1$

素因数の和:1068

約数の個数: 48

約数和(自身を含む): 44130240

約数和(自身を除く): 28432860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 397, 659, 794, 1191, 1318, 1588, 1977, 1985, 2382, 2636, 3295, 3954, 3970, 4764, 5955, 6590, 7908, 7940, 9885, 11910, 13180, 19770, 23820, 39540, 261623, 523246, 784869, 1046492, 1308115, 1569738, 2616230, 3139476, 3924345, 5232460, 7848690, 15697380]

約数ペア:

[(1, 15697380), (2, 7848690), (3, 5232460), (4, 3924345), (5, 3139476), (6, 2616230), (10, 1569738), (12, 1308115), (15, 1046492), (20, 784869), (30, 523246), (60, 261623), (397, 39540), (659, 23820), (794, 19770), (1191, 13180), (1318, 11910), (1588, 9885), (1977, 7940), (1985, 7908), (2382, 6590), (2636, 5955), (3295, 4764), (3954, 3970)]