639297504

素因数分解:

$2^5\times 3^2\times {\mathrm{641}}^1\times {\mathrm{3463}}^1$

素因数の和:4120

約数の個数: 72

約数和(自身を含む): 1821364272

約数和(自身を除く): 1182066768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 641, 1282, 1923, 2564, 3463, 3846, 5128, 5769, 6926, 7692, 10256, 10389, 11538, 13852, 15384, 20512, 20778, 23076, 27704, 30768, 31167, 41556, 46152, 55408, 61536, 62334, 83112, 92304, 110816, 124668, 166224, 184608, 249336, 332448, 498672, 997344, 2219783, 4439566, 6659349, 8879132, 13318698, 17758264, 19978047, 26637396, 35516528, 39956094, 53274792, 71033056, 79912188, 106549584, 159824376, 213099168, 319648752, 639297504]

約数ペア:

[(1, 639297504), (2, 319648752), (3, 213099168), (4, 159824376), (6, 106549584), (8, 79912188), (9, 71033056), (12, 53274792), (16, 39956094), (18, 35516528), (24, 26637396), (32, 19978047), (36, 17758264), (48, 13318698), (72, 8879132), (96, 6659349), (144, 4439566), (288, 2219783), (641, 997344), (1282, 498672), (1923, 332448), (2564, 249336), (3463, 184608), (3846, 166224), (5128, 124668), (5769, 110816), (6926, 92304), (7692, 83112), (10256, 62334), (10389, 61536), (11538, 55408), (13852, 46152), (15384, 41556), (20512, 31167), (20778, 30768), (23076, 27704)]