163719540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1973}}^1$

素因数の和:2449

約数の個数: 72

約数和(自身を含む): 497945448

約数和(自身を除く): 334225908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 461, 922, 1383, 1844, 1973, 2305, 2766, 3946, 4149, 4610, 5532, 5919, 6915, 7892, 8298, 9220, 9865, 11838, 13830, 16596, 17757, 19730, 20745, 23676, 27660, 29595, 35514, 39460, 41490, 59190, 71028, 82980, 88785, 118380, 177570, 355140, 909553, 1819106, 2728659, 3638212, 4547765, 5457318, 8185977, 9095530, 10914636, 13643295, 16371954, 18191060, 27286590, 32743908, 40929885, 54573180, 81859770, 163719540]

約数ペア:

[(1, 163719540), (2, 81859770), (3, 54573180), (4, 40929885), (5, 32743908), (6, 27286590), (9, 18191060), (10, 16371954), (12, 13643295), (15, 10914636), (18, 9095530), (20, 8185977), (30, 5457318), (36, 4547765), (45, 3638212), (60, 2728659), (90, 1819106), (180, 909553), (461, 355140), (922, 177570), (1383, 118380), (1844, 88785), (1973, 82980), (2305, 71028), (2766, 59190), (3946, 41490), (4149, 39460), (4610, 35514), (5532, 29595), (5919, 27660), (6915, 23676), (7892, 20745), (8298, 19730), (9220, 17757), (9865, 16596), (11838, 13830)]