164564540

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:209

約数の個数: 120

約数和(自身を含む): 423511200

約数和(自身を除く): 258946660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 149, 161, 196, 230, 245, 298, 322, 343, 460, 490, 596, 644, 686, 745, 805, 980, 1043, 1127, 1372, 1490, 1610, 1715, 2086, 2254, 2401, 2980, 3220, 3427, 3430, 4172, 4508, 4802, 5215, 5635, 6854, 6860, 7301, 7889, 9604, 10430, 11270, 12005, 13708, 14602, 15778, 17135, 20860, 22540, 23989, 24010, 29204, 31556, 34270, 36505, 39445, 47978, 48020, 51107, 55223, 68540, 73010, 78890, 95956, 102214, 110446, 119945, 146020, 157780, 167923, 204428, 220892, 239890, 255535, 276115, 335846, 357749, 479780, 511070, 552230, 671692, 715498, 839615, 1022140, 1104460, 1175461, 1430996, 1679230, 1788745, 2350922, 3358460, 3577490, 4701844, 5877305, 7154980, 8228227, 11754610, 16456454, 23509220, 32912908, 41141135, 82282270, 164564540]

約数ペア:

[(1, 164564540), (2, 82282270), (4, 41141135), (5, 32912908), (7, 23509220), (10, 16456454), (14, 11754610), (20, 8228227), (23, 7154980), (28, 5877305), (35, 4701844), (46, 3577490), (49, 3358460), (70, 2350922), (92, 1788745), (98, 1679230), (115, 1430996), (140, 1175461), (149, 1104460), (161, 1022140), (196, 839615), (230, 715498), (245, 671692), (298, 552230), (322, 511070), (343, 479780), (460, 357749), (490, 335846), (596, 276115), (644, 255535), (686, 239890), (745, 220892), (805, 204428), (980, 167923), (1043, 157780), (1127, 146020), (1372, 119945), (1490, 110446), (1610, 102214), (1715, 95956), (2086, 78890), (2254, 73010), (2401, 68540), (2980, 55223), (3220, 51107), (3427, 48020), (3430, 47978), (4172, 39445), (4508, 36505), (4802, 34270), (5215, 31556), (5635, 29204), (6854, 24010), (6860, 23989), (7301, 22540), (7889, 20860), (9604, 17135), (10430, 15778), (11270, 14602), (12005, 13708)]