164590020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{18661}}^1$

素因数の和:18690

約数の個数: 108

約数和(自身を含む): 580798764

約数和(自身を除く): 416208744

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 18661, 37322, 55983, 74644, 93305, 111966, 130627, 167949, 186610, 223932, 261254, 279915, 335898, 373220, 391881, 522508, 559830, 653135, 671796, 783762, 839745, 914389, 1119660, 1175643, 1306270, 1567524, 1679490, 1828778, 1959405, 2351286, 2612540, 2743167, 3358980, 3657556, 3918810, 4571945, 4702572, 5486334, 5878215, 7837620, 8229501, 9143890, 10972668, 11756430, 13715835, 16459002, 18287780, 23512860, 27431670, 32918004, 41147505, 54863340, 82295010, 164590020]

約数ペア:

[(1, 164590020), (2, 82295010), (3, 54863340), (4, 41147505), (5, 32918004), (6, 27431670), (7, 23512860), (9, 18287780), (10, 16459002), (12, 13715835), (14, 11756430), (15, 10972668), (18, 9143890), (20, 8229501), (21, 7837620), (28, 5878215), (30, 5486334), (35, 4702572), (36, 4571945), (42, 3918810), (45, 3657556), (49, 3358980), (60, 2743167), (63, 2612540), (70, 2351286), (84, 1959405), (90, 1828778), (98, 1679490), (105, 1567524), (126, 1306270), (140, 1175643), (147, 1119660), (180, 914389), (196, 839745), (210, 783762), (245, 671796), (252, 653135), (294, 559830), (315, 522508), (420, 391881), (441, 373220), (490, 335898), (588, 279915), (630, 261254), (735, 223932), (882, 186610), (980, 167949), (1260, 130627), (1470, 111966), (1764, 93305), (2205, 74644), (2940, 55983), (4410, 37322), (8820, 18661)]