15968645

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 26265600

約数和(自身を除く): 10296955

約数列:

[1, 5, 7, 11, 19, 35, 37, 55, 59, 77, 95, 133, 185, 209, 259, 295, 385, 407, 413, 649, 665, 703, 1045, 1121, 1295, 1463, 2035, 2065, 2183, 2849, 3245, 3515, 4543, 4921, 5605, 7315, 7733, 7847, 10915, 12331, 14245, 15281, 22715, 24013, 24605, 38665, 39235, 41477, 54131, 61655, 76405, 86317, 120065, 168091, 207385, 270655, 290339, 431585, 456247, 840455, 1451695, 2281235, 3193729, 15968645]

約数ペア:

[(1, 15968645), (5, 3193729), (7, 2281235), (11, 1451695), (19, 840455), (35, 456247), (37, 431585), (55, 290339), (59, 270655), (77, 207385), (95, 168091), (133, 120065), (185, 86317), (209, 76405), (259, 61655), (295, 54131), (385, 41477), (407, 39235), (413, 38665), (649, 24605), (665, 24013), (703, 22715), (1045, 15281), (1121, 14245), (1295, 12331), (1463, 10915), (2035, 7847), (2065, 7733), (2183, 7315), (2849, 5605), (3245, 4921), (3515, 4543)]