27447840

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{389}}^1$

素因数の和:424

約数の個数: 216

約数和(自身を含む): 109238220

約数和(自身を除く): 81790380

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 389, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 778, 784, 840, 882, 980, 1008, 1120, 1167, 1176, 1260, 1440, 1470, 1556, 1568, 1680, 1764, 1945, 1960, 2016, 2205, 2334, 2352, 2520, 2723, 2940, 3112, 3360, 3501, 3528, 3890, 3920, 4410, 4668, 4704, 5040, 5446, 5835, 5880, 6224, 7002, 7056, 7780, 7840, 8169, 8820, 9336, 10080, 10892, 11670, 11760, 12448, 13615, 14004, 14112, 15560, 16338, 17505, 17640, 18672, 19061, 21784, 23340, 23520, 24507, 27230, 28008, 31120, 32676, 35010, 35280, 37344, 38122, 40845, 43568, 46680, 49014, 54460, 56016, 57183, 62240, 65352, 70020, 70560, 76244, 81690, 87136, 93360, 95305, 98028, 108920, 112032, 114366, 122535, 130704, 140040, 152488, 163380, 171549, 186720, 190610, 196056, 217840, 228732, 245070, 261408, 280080, 285915, 304976, 326760, 343098, 381220, 392112, 435680, 457464, 490140, 560160, 571830, 609952, 653520, 686196, 762440, 784224, 857745, 914928, 980280, 1143660, 1307040, 1372392, 1524880, 1715490, 1829856, 1960560, 2287320, 2744784, 3049760, 3430980, 3921120, 4574640, 5489568, 6861960, 9149280, 13723920, 27447840]

約数ペア:

[(1, 27447840), (2, 13723920), (3, 9149280), (4, 6861960), (5, 5489568), (6, 4574640), (7, 3921120), (8, 3430980), (9, 3049760), (10, 2744784), (12, 2287320), (14, 1960560), (15, 1829856), (16, 1715490), (18, 1524880), (20, 1372392), (21, 1307040), (24, 1143660), (28, 980280), (30, 914928), (32, 857745), (35, 784224), (36, 762440), (40, 686196), (42, 653520), (45, 609952), (48, 571830), (49, 560160), (56, 490140), (60, 457464), (63, 435680), (70, 392112), (72, 381220), (80, 343098), (84, 326760), (90, 304976), (96, 285915), (98, 280080), (105, 261408), (112, 245070), (120, 228732), (126, 217840), (140, 196056), (144, 190610), (147, 186720), (160, 171549), (168, 163380), (180, 152488), (196, 140040), (210, 130704), (224, 122535), (240, 114366), (245, 112032), (252, 108920), (280, 98028), (288, 95305), (294, 93360), (315, 87136), (336, 81690), (360, 76244), (389, 70560), (392, 70020), (420, 65352), (441, 62240), (480, 57183), (490, 56016), (504, 54460), (560, 49014), (588, 46680), (630, 43568), (672, 40845), (720, 38122), (735, 37344), (778, 35280), (784, 35010), (840, 32676), (882, 31120), (980, 28008), (1008, 27230), (1120, 24507), (1167, 23520), (1176, 23340), (1260, 21784), (1440, 19061), (1470, 18672), (1556, 17640), (1568, 17505), (1680, 16338), (1764, 15560), (1945, 14112), (1960, 14004), (2016, 13615), (2205, 12448), (2334, 11760), (2352, 11670), (2520, 10892), (2723, 10080), (2940, 9336), (3112, 8820), (3360, 8169), (3501, 7840), (3528, 7780), (3890, 7056), (3920, 7002), (4410, 6224), (4668, 5880), (4704, 5835), (5040, 5446)]