39151980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:245

約数の個数: 216

約数和(自身を含む): 144904032

約数和(自身を除く): 105752052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 49, 60, 63, 69, 70, 84, 90, 92, 98, 105, 115, 126, 138, 140, 147, 161, 180, 193, 196, 207, 210, 230, 245, 252, 276, 294, 315, 322, 345, 386, 414, 420, 441, 460, 483, 490, 579, 588, 630, 644, 690, 735, 772, 805, 828, 882, 965, 966, 980, 1035, 1127, 1158, 1260, 1351, 1380, 1449, 1470, 1610, 1737, 1764, 1930, 1932, 2070, 2205, 2254, 2316, 2415, 2702, 2895, 2898, 2940, 3220, 3381, 3474, 3860, 4053, 4140, 4410, 4439, 4508, 4830, 5404, 5635, 5790, 5796, 6755, 6762, 6948, 7245, 8106, 8685, 8820, 8878, 9457, 9660, 10143, 11270, 11580, 12159, 13317, 13510, 13524, 14490, 16212, 16905, 17370, 17756, 18914, 20265, 20286, 22195, 22540, 24318, 26634, 27020, 28371, 28980, 31073, 33810, 34740, 37828, 39951, 40530, 40572, 44390, 47285, 48636, 50715, 53268, 56742, 60795, 62146, 66585, 67620, 79902, 81060, 85113, 88780, 93219, 94570, 101430, 113484, 121590, 124292, 133170, 141855, 155365, 159804, 170226, 186438, 189140, 199755, 202860, 217511, 243180, 266340, 279657, 283710, 310730, 340452, 372876, 399510, 425565, 435022, 466095, 559314, 567420, 621460, 652533, 799020, 851130, 870044, 932190, 1087555, 1118628, 1305066, 1398285, 1702260, 1864380, 1957599, 2175110, 2610132, 2796570, 3262665, 3915198, 4350220, 5593140, 6525330, 7830396, 9787995, 13050660, 19575990, 39151980]

約数ペア:

[(1, 39151980), (2, 19575990), (3, 13050660), (4, 9787995), (5, 7830396), (6, 6525330), (7, 5593140), (9, 4350220), (10, 3915198), (12, 3262665), (14, 2796570), (15, 2610132), (18, 2175110), (20, 1957599), (21, 1864380), (23, 1702260), (28, 1398285), (30, 1305066), (35, 1118628), (36, 1087555), (42, 932190), (45, 870044), (46, 851130), (49, 799020), (60, 652533), (63, 621460), (69, 567420), (70, 559314), (84, 466095), (90, 435022), (92, 425565), (98, 399510), (105, 372876), (115, 340452), (126, 310730), (138, 283710), (140, 279657), (147, 266340), (161, 243180), (180, 217511), (193, 202860), (196, 199755), (207, 189140), (210, 186438), (230, 170226), (245, 159804), (252, 155365), (276, 141855), (294, 133170), (315, 124292), (322, 121590), (345, 113484), (386, 101430), (414, 94570), (420, 93219), (441, 88780), (460, 85113), (483, 81060), (490, 79902), (579, 67620), (588, 66585), (630, 62146), (644, 60795), (690, 56742), (735, 53268), (772, 50715), (805, 48636), (828, 47285), (882, 44390), (965, 40572), (966, 40530), (980, 39951), (1035, 37828), (1127, 34740), (1158, 33810), (1260, 31073), (1351, 28980), (1380, 28371), (1449, 27020), (1470, 26634), (1610, 24318), (1737, 22540), (1764, 22195), (1930, 20286), (1932, 20265), (2070, 18914), (2205, 17756), (2254, 17370), (2316, 16905), (2415, 16212), (2702, 14490), (2895, 13524), (2898, 13510), (2940, 13317), (3220, 12159), (3381, 11580), (3474, 11270), (3860, 10143), (4053, 9660), (4140, 9457), (4410, 8878), (4439, 8820), (4508, 8685), (4830, 8106), (5404, 7245), (5635, 6948), (5790, 6762), (5796, 6755)]