133819980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1979}}^1$

素因数の和:2028

約数の個数: 144

約数和(自身を含む): 455051520

約数和(自身を除く): 321231540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 276, 294, 322, 345, 420, 460, 483, 490, 588, 644, 690, 735, 805, 966, 980, 1127, 1380, 1470, 1610, 1932, 1979, 2254, 2415, 2940, 3220, 3381, 3958, 4508, 4830, 5635, 5937, 6762, 7916, 9660, 9895, 11270, 11874, 13524, 13853, 16905, 19790, 22540, 23748, 27706, 29685, 33810, 39580, 41559, 45517, 55412, 59370, 67620, 69265, 83118, 91034, 96971, 118740, 136551, 138530, 166236, 182068, 193942, 207795, 227585, 273102, 277060, 290913, 318619, 387884, 415590, 455170, 484855, 546204, 581826, 637238, 682755, 831180, 910340, 955857, 969710, 1163652, 1274476, 1365510, 1454565, 1593095, 1911714, 1939420, 2230333, 2731020, 2909130, 3186190, 3823428, 4460666, 4779285, 5818260, 6372380, 6690999, 8921332, 9558570, 11151665, 13381998, 19117140, 22303330, 26763996, 33454995, 44606660, 66909990, 133819980]

約数ペア:

[(1, 133819980), (2, 66909990), (3, 44606660), (4, 33454995), (5, 26763996), (6, 22303330), (7, 19117140), (10, 13381998), (12, 11151665), (14, 9558570), (15, 8921332), (20, 6690999), (21, 6372380), (23, 5818260), (28, 4779285), (30, 4460666), (35, 3823428), (42, 3186190), (46, 2909130), (49, 2731020), (60, 2230333), (69, 1939420), (70, 1911714), (84, 1593095), (92, 1454565), (98, 1365510), (105, 1274476), (115, 1163652), (138, 969710), (140, 955857), (147, 910340), (161, 831180), (196, 682755), (210, 637238), (230, 581826), (245, 546204), (276, 484855), (294, 455170), (322, 415590), (345, 387884), (420, 318619), (460, 290913), (483, 277060), (490, 273102), (588, 227585), (644, 207795), (690, 193942), (735, 182068), (805, 166236), (966, 138530), (980, 136551), (1127, 118740), (1380, 96971), (1470, 91034), (1610, 83118), (1932, 69265), (1979, 67620), (2254, 59370), (2415, 55412), (2940, 45517), (3220, 41559), (3381, 39580), (3958, 33810), (4508, 29685), (4830, 27706), (5635, 23748), (5937, 22540), (6762, 19790), (7916, 16905), (9660, 13853), (9895, 13524), (11270, 11874)]