166992640

素因数分解:

$2^8\times 5^1\times {\mathrm{283}}^1\times {\mathrm{461}}^1$

素因数の和:765

約数の個数: 72

約数和(自身を含む): 402283728

約数和(自身を除く): 235291088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 283, 320, 461, 566, 640, 922, 1132, 1280, 1415, 1844, 2264, 2305, 2830, 3688, 4528, 4610, 5660, 7376, 9056, 9220, 11320, 14752, 18112, 18440, 22640, 29504, 36224, 36880, 45280, 59008, 72448, 73760, 90560, 118016, 130463, 147520, 181120, 260926, 295040, 362240, 521852, 590080, 652315, 1043704, 1304630, 2087408, 2609260, 4174816, 5218520, 8349632, 10437040, 16699264, 20874080, 33398528, 41748160, 83496320, 166992640]

約数ペア:

[(1, 166992640), (2, 83496320), (4, 41748160), (5, 33398528), (8, 20874080), (10, 16699264), (16, 10437040), (20, 8349632), (32, 5218520), (40, 4174816), (64, 2609260), (80, 2087408), (128, 1304630), (160, 1043704), (256, 652315), (283, 590080), (320, 521852), (461, 362240), (566, 295040), (640, 260926), (922, 181120), (1132, 147520), (1280, 130463), (1415, 118016), (1844, 90560), (2264, 73760), (2305, 72448), (2830, 59008), (3688, 45280), (4528, 36880), (4610, 36224), (5660, 29504), (7376, 22640), (9056, 18440), (9220, 18112), (11320, 14752)]