457920640

素因数分解:

$2^7\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3391}}^1$

素因数の和:3621

約数の個数: 64

約数和(自身を含む): 1100229120

約数和(自身を除く): 642308480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 211, 320, 422, 640, 844, 1055, 1688, 2110, 3376, 3391, 4220, 6752, 6782, 8440, 13504, 13564, 16880, 16955, 27008, 27128, 33760, 33910, 54256, 67520, 67820, 108512, 135040, 135640, 217024, 271280, 434048, 542560, 715501, 1085120, 1431002, 2170240, 2862004, 3577505, 5724008, 7155010, 11448016, 14310020, 22896032, 28620040, 45792064, 57240080, 91584128, 114480160, 228960320, 457920640]

約数ペア:

[(1, 457920640), (2, 228960320), (4, 114480160), (5, 91584128), (8, 57240080), (10, 45792064), (16, 28620040), (20, 22896032), (32, 14310020), (40, 11448016), (64, 7155010), (80, 5724008), (128, 3577505), (160, 2862004), (211, 2170240), (320, 1431002), (422, 1085120), (640, 715501), (844, 542560), (1055, 434048), (1688, 271280), (2110, 217024), (3376, 135640), (3391, 135040), (4220, 108512), (6752, 67820), (6782, 67520), (8440, 54256), (13504, 33910), (13564, 33760), (16880, 27128), (16955, 27008)]