281173260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{7243}}^1$

素因数の和:7902

約数の個数: 48

約数和(自身を含む): 788610816

約数和(自身を除く): 507437556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 647, 1294, 1941, 2588, 3235, 3882, 6470, 7243, 7764, 9705, 12940, 14486, 19410, 21729, 28972, 36215, 38820, 43458, 72430, 86916, 108645, 144860, 217290, 434580, 4686221, 9372442, 14058663, 18744884, 23431105, 28117326, 46862210, 56234652, 70293315, 93724420, 140586630, 281173260]

約数ペア:

[(1, 281173260), (2, 140586630), (3, 93724420), (4, 70293315), (5, 56234652), (6, 46862210), (10, 28117326), (12, 23431105), (15, 18744884), (20, 14058663), (30, 9372442), (60, 4686221), (647, 434580), (1294, 217290), (1941, 144860), (2588, 108645), (3235, 86916), (3882, 72430), (6470, 43458), (7243, 38820), (7764, 36215), (9705, 28972), (12940, 21729), (14486, 19410)]