15890004

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1787}}^1$

素因数の和:1829

約数の個数: 72

約数和(自身を含む): 45558240

約数和(自身を除く): 29668236

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 1787, 2223, 2964, 3574, 4446, 5361, 7148, 8892, 10722, 16083, 21444, 23231, 32166, 33953, 46462, 64332, 67906, 69693, 92924, 101859, 135812, 139386, 203718, 209079, 278772, 305577, 407436, 418158, 441389, 611154, 836316, 882778, 1222308, 1324167, 1765556, 2648334, 3972501, 5296668, 7945002, 15890004]

約数ペア:

[(1, 15890004), (2, 7945002), (3, 5296668), (4, 3972501), (6, 2648334), (9, 1765556), (12, 1324167), (13, 1222308), (18, 882778), (19, 836316), (26, 611154), (36, 441389), (38, 418158), (39, 407436), (52, 305577), (57, 278772), (76, 209079), (78, 203718), (114, 139386), (117, 135812), (156, 101859), (171, 92924), (228, 69693), (234, 67906), (247, 64332), (342, 46462), (468, 33953), (494, 32166), (684, 23231), (741, 21444), (988, 16083), (1482, 10722), (1787, 8892), (2223, 7148), (2964, 5361), (3574, 4446)]