127403220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{303341}}^1$

素因数の和:303360

約数の個数: 48

約数和(自身を含む): 407691648

約数和(自身を除く): 280288428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 303341, 606682, 910023, 1213364, 1516705, 1820046, 2123387, 3033410, 3640092, 4246774, 4550115, 6066820, 6370161, 8493548, 9100230, 10616935, 12740322, 18200460, 21233870, 25480644, 31850805, 42467740, 63701610, 127403220]

約数ペア:

[(1, 127403220), (2, 63701610), (3, 42467740), (4, 31850805), (5, 25480644), (6, 21233870), (7, 18200460), (10, 12740322), (12, 10616935), (14, 9100230), (15, 8493548), (20, 6370161), (21, 6066820), (28, 4550115), (30, 4246774), (35, 3640092), (42, 3033410), (60, 2123387), (70, 1820046), (84, 1516705), (105, 1213364), (140, 910023), (210, 606682), (420, 303341)]