154908520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15679}}^1$

素因数の和:15722

約数の個数: 64

約数和(自身を含む): 395136000

約数和(自身を除く): 240227480

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 15679, 31358, 62716, 78395, 125432, 156790, 203827, 297901, 313580, 407654, 595802, 627160, 815308, 1019135, 1191604, 1489505, 1630616, 2038270, 2383208, 2979010, 3872713, 4076540, 5958020, 7745426, 8153080, 11916040, 15490852, 19363565, 30981704, 38727130, 77454260, 154908520]

約数ペア:

[(1, 154908520), (2, 77454260), (4, 38727130), (5, 30981704), (8, 19363565), (10, 15490852), (13, 11916040), (19, 8153080), (20, 7745426), (26, 5958020), (38, 4076540), (40, 3872713), (52, 2979010), (65, 2383208), (76, 2038270), (95, 1630616), (104, 1489505), (130, 1191604), (152, 1019135), (190, 815308), (247, 627160), (260, 595802), (380, 407654), (494, 313580), (520, 297901), (760, 203827), (988, 156790), (1235, 125432), (1976, 78395), (2470, 62716), (4940, 31358), (9880, 15679)]