15364880

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1289}}^1$

素因数の和:1451

約数の個数: 40

約数和(自身を含む): 35991000

約数和(自身を除く): 20626120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1289, 1490, 2384, 2578, 2980, 5156, 5960, 6445, 10312, 11920, 12890, 20624, 25780, 51560, 103120, 192061, 384122, 768244, 960305, 1536488, 1920610, 3072976, 3841220, 7682440, 15364880]

約数ペア:

[(1, 15364880), (2, 7682440), (4, 3841220), (5, 3072976), (8, 1920610), (10, 1536488), (16, 960305), (20, 768244), (40, 384122), (80, 192061), (149, 103120), (298, 51560), (596, 25780), (745, 20624), (1192, 12890), (1289, 11920), (1490, 10312), (2384, 6445), (2578, 5960), (2980, 5156)]