80721396

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10333}}^1$

素因数の和:10381

約数の個数: 72

約数和(自身を含む): 240740864

約数和(自身を除く): 160019468

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 7812, 10333, 20666, 30999, 41332, 61998, 72331, 92997, 123996, 144662, 185994, 216993, 289324, 320323, 371988, 433986, 640646, 650979, 867972, 960969, 1281292, 1301958, 1921938, 2242261, 2603916, 2882907, 3843876, 4484522, 5765814, 6726783, 8969044, 11531628, 13453566, 20180349, 26907132, 40360698, 80721396]

約数ペア:

[(1, 80721396), (2, 40360698), (3, 26907132), (4, 20180349), (6, 13453566), (7, 11531628), (9, 8969044), (12, 6726783), (14, 5765814), (18, 4484522), (21, 3843876), (28, 2882907), (31, 2603916), (36, 2242261), (42, 1921938), (62, 1301958), (63, 1281292), (84, 960969), (93, 867972), (124, 650979), (126, 640646), (186, 433986), (217, 371988), (252, 320323), (279, 289324), (372, 216993), (434, 185994), (558, 144662), (651, 123996), (868, 92997), (1116, 72331), (1302, 61998), (1953, 41332), (2604, 30999), (3906, 20666), (7812, 10333)]