172978380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{960991}}^1$

素因数の和:961006

約数の個数: 36

約数和(自身を含む): 524701632

約数和(自身を除く): 351723252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 960991, 1921982, 2882973, 3843964, 4804955, 5765946, 8648919, 9609910, 11531892, 14414865, 17297838, 19219820, 28829730, 34595676, 43244595, 57659460, 86489190, 172978380]

約数ペア:

[(1, 172978380), (2, 86489190), (3, 57659460), (4, 43244595), (5, 34595676), (6, 28829730), (9, 19219820), (10, 17297838), (12, 14414865), (15, 11531892), (18, 9609910), (20, 8648919), (30, 5765946), (36, 4804955), (45, 3843964), (60, 2882973), (90, 1921982), (180, 960991)]