65119780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 152832960

約数和(自身を除く): 87713180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 121, 142, 220, 242, 284, 355, 379, 484, 605, 710, 758, 781, 1210, 1420, 1516, 1562, 1895, 2420, 3124, 3790, 3905, 4169, 7580, 7810, 8338, 8591, 15620, 16676, 17182, 20845, 26909, 34364, 41690, 42955, 45859, 53818, 83380, 85910, 91718, 107636, 134545, 171820, 183436, 229295, 269090, 295999, 458590, 538180, 591998, 917180, 1183996, 1479995, 2959990, 3255989, 5919980, 6511978, 13023956, 16279945, 32559890, 65119780]

約数ペア:

[(1, 65119780), (2, 32559890), (4, 16279945), (5, 13023956), (10, 6511978), (11, 5919980), (20, 3255989), (22, 2959990), (44, 1479995), (55, 1183996), (71, 917180), (110, 591998), (121, 538180), (142, 458590), (220, 295999), (242, 269090), (284, 229295), (355, 183436), (379, 171820), (484, 134545), (605, 107636), (710, 91718), (758, 85910), (781, 83380), (1210, 53818), (1420, 45859), (1516, 42955), (1562, 41690), (1895, 34364), (2420, 26909), (3124, 20845), (3790, 17182), (3905, 16676), (4169, 15620), (7580, 8591), (7810, 8338)]