8151220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 21934080

約数和(自身を除く): 13782860

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 67, 70, 77, 79, 110, 134, 140, 154, 158, 220, 268, 308, 316, 335, 385, 395, 469, 553, 670, 737, 770, 790, 869, 938, 1106, 1340, 1474, 1540, 1580, 1738, 1876, 2212, 2345, 2765, 2948, 3476, 3685, 4345, 4690, 5159, 5293, 5530, 6083, 7370, 8690, 9380, 10318, 10586, 11060, 12166, 14740, 17380, 20636, 21172, 24332, 25795, 26465, 30415, 37051, 51590, 52930, 58223, 60830, 74102, 103180, 105860, 116446, 121660, 148204, 185255, 232892, 291115, 370510, 407561, 582230, 741020, 815122, 1164460, 1630244, 2037805, 4075610, 8151220]

約数ペア:

[(1, 8151220), (2, 4075610), (4, 2037805), (5, 1630244), (7, 1164460), (10, 815122), (11, 741020), (14, 582230), (20, 407561), (22, 370510), (28, 291115), (35, 232892), (44, 185255), (55, 148204), (67, 121660), (70, 116446), (77, 105860), (79, 103180), (110, 74102), (134, 60830), (140, 58223), (154, 52930), (158, 51590), (220, 37051), (268, 30415), (308, 26465), (316, 25795), (335, 24332), (385, 21172), (395, 20636), (469, 17380), (553, 14740), (670, 12166), (737, 11060), (770, 10586), (790, 10318), (869, 9380), (938, 8690), (1106, 7370), (1340, 6083), (1474, 5530), (1540, 5293), (1580, 5159), (1738, 4690), (1876, 4345), (2212, 3685), (2345, 3476), (2765, 2948)]