1218320

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:267

約数の個数: 40

約数和(自身を含む): 2880024

約数和(自身を除く): 1661704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 157, 194, 314, 388, 485, 628, 776, 785, 970, 1256, 1552, 1570, 1940, 2512, 3140, 3880, 6280, 7760, 12560, 15229, 30458, 60916, 76145, 121832, 152290, 243664, 304580, 609160, 1218320]

約数ペア:

[(1, 1218320), (2, 609160), (4, 304580), (5, 243664), (8, 152290), (10, 121832), (16, 76145), (20, 60916), (40, 30458), (80, 15229), (97, 12560), (157, 7760), (194, 6280), (314, 3880), (388, 3140), (485, 2512), (628, 1940), (776, 1570), (785, 1552), (970, 1256)]