180392004

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20287}}^1$

素因数の和:20329

約数の個数: 72

約数和(自身を含む): 516938240

約数和(自身を除く): 336546236

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, 2223, 2964, 4446, 8892, 20287, 40574, 60861, 81148, 121722, 182583, 243444, 263731, 365166, 385453, 527462, 730332, 770906, 791193, 1054924, 1156359, 1541812, 1582386, 2312718, 2373579, 3164772, 3469077, 4625436, 4747158, 5010889, 6938154, 9494316, 10021778, 13876308, 15032667, 20043556, 30065334, 45098001, 60130668, 90196002, 180392004]

約数ペア:

[(1, 180392004), (2, 90196002), (3, 60130668), (4, 45098001), (6, 30065334), (9, 20043556), (12, 15032667), (13, 13876308), (18, 10021778), (19, 9494316), (26, 6938154), (36, 5010889), (38, 4747158), (39, 4625436), (52, 3469077), (57, 3164772), (76, 2373579), (78, 2312718), (114, 1582386), (117, 1541812), (156, 1156359), (171, 1054924), (228, 791193), (234, 770906), (247, 730332), (342, 527462), (468, 385453), (494, 365166), (684, 263731), (741, 243444), (988, 182583), (1482, 121722), (2223, 81148), (2964, 60861), (4446, 40574), (8892, 20287)]