161265880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2971}}^1$

素因数の和:3064

約数の個数: 64

約数和(自身を含む): 385171200

約数和(自身を除く): 223905320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 59, 92, 115, 118, 184, 230, 236, 295, 460, 472, 590, 920, 1180, 1357, 2360, 2714, 2971, 5428, 5942, 6785, 10856, 11884, 13570, 14855, 23768, 27140, 29710, 54280, 59420, 68333, 118840, 136666, 175289, 273332, 341665, 350578, 546664, 683330, 701156, 876445, 1366660, 1402312, 1752890, 2733320, 3505780, 4031647, 7011560, 8063294, 16126588, 20158235, 32253176, 40316470, 80632940, 161265880]

約数ペア:

[(1, 161265880), (2, 80632940), (4, 40316470), (5, 32253176), (8, 20158235), (10, 16126588), (20, 8063294), (23, 7011560), (40, 4031647), (46, 3505780), (59, 2733320), (92, 1752890), (115, 1402312), (118, 1366660), (184, 876445), (230, 701156), (236, 683330), (295, 546664), (460, 350578), (472, 341665), (590, 273332), (920, 175289), (1180, 136666), (1357, 118840), (2360, 68333), (2714, 59420), (2971, 54280), (5428, 29710), (5942, 27140), (6785, 23768), (10856, 14855), (11884, 13570)]