2805280365

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{2131}}^1$

素因数の和:2338

約数の個数: 64

約数和(自身を含む): 4912128000

約数和(自身を除く): 2106847635

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 149, 155, 285, 447, 465, 589, 745, 1767, 2131, 2235, 2831, 2945, 4619, 6393, 8493, 8835, 10655, 13857, 14155, 23095, 31965, 40489, 42465, 66061, 69285, 87761, 121467, 198183, 202445, 263283, 317519, 330305, 438805, 607335, 952557, 990915, 1255159, 1316415, 1587595, 3765477, 4762785, 6032861, 6275795, 9843089, 18098583, 18827385, 29529267, 30164305, 49215445, 90492915, 147646335, 187018691, 561056073, 935093455, 2805280365]

約数ペア:

[(1, 2805280365), (3, 935093455), (5, 561056073), (15, 187018691), (19, 147646335), (31, 90492915), (57, 49215445), (93, 30164305), (95, 29529267), (149, 18827385), (155, 18098583), (285, 9843089), (447, 6275795), (465, 6032861), (589, 4762785), (745, 3765477), (1767, 1587595), (2131, 1316415), (2235, 1255159), (2831, 990915), (2945, 952557), (4619, 607335), (6393, 438805), (8493, 330305), (8835, 317519), (10655, 263283), (13857, 202445), (14155, 198183), (23095, 121467), (31965, 87761), (40489, 69285), (42465, 66061)]