78608460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{187163}}^1$

素因数の和:187182

約数の個数: 48

約数和(自身を含む): 251548416

約数和(自身を除く): 172939956

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, 187163, 374326, 561489, 748652, 935815, 1122978, 1310141, 1871630, 2245956, 2620282, 2807445, 3743260, 3930423, 5240564, 5614890, 6550705, 7860846, 11229780, 13101410, 15721692, 19652115, 26202820, 39304230, 78608460]

約数ペア:

[(1, 78608460), (2, 39304230), (3, 26202820), (4, 19652115), (5, 15721692), (6, 13101410), (7, 11229780), (10, 7860846), (12, 6550705), (14, 5614890), (15, 5240564), (20, 3930423), (21, 3743260), (28, 2807445), (30, 2620282), (35, 2245956), (42, 1871630), (60, 1310141), (70, 1122978), (84, 935815), (105, 748652), (140, 561489), (210, 374326), (420, 187163)]