128377872

素因数分解:

$2^4\times 3^5\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 240

約数和(自身を含む): 438721920

約数和(自身を除く): 310344048

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 53, 54, 56, 63, 72, 81, 84, 89, 106, 108, 112, 126, 144, 159, 162, 168, 178, 189, 212, 216, 243, 252, 267, 318, 324, 336, 356, 371, 378, 424, 432, 477, 486, 504, 534, 567, 623, 636, 648, 712, 742, 756, 801, 848, 954, 972, 1008, 1068, 1113, 1134, 1246, 1272, 1296, 1424, 1431, 1484, 1512, 1602, 1701, 1869, 1908, 1944, 2136, 2226, 2268, 2403, 2492, 2544, 2862, 2968, 3024, 3204, 3339, 3402, 3738, 3816, 3888, 4272, 4293, 4452, 4536, 4717, 4806, 4984, 5607, 5724, 5936, 6408, 6678, 6804, 7209, 7476, 7632, 8586, 8904, 9072, 9434, 9612, 9968, 10017, 11214, 11448, 12816, 12879, 13356, 13608, 14151, 14418, 14952, 16821, 17172, 17808, 18868, 19224, 20034, 21627, 22428, 22896, 25758, 26712, 27216, 28302, 28836, 29904, 30051, 33019, 33642, 34344, 37736, 38448, 40068, 42453, 43254, 44856, 50463, 51516, 53424, 56604, 57672, 60102, 66038, 67284, 68688, 75472, 80136, 84906, 86508, 89712, 90153, 99057, 100926, 103032, 113208, 115344, 120204, 127359, 132076, 134568, 151389, 160272, 169812, 173016, 180306, 198114, 201852, 206064, 226416, 240408, 254718, 264152, 269136, 297171, 302778, 339624, 346032, 360612, 382077, 396228, 403704, 480816, 509436, 528304, 594342, 605556, 679248, 721224, 764154, 792456, 807408, 891513, 1018872, 1146231, 1188684, 1211112, 1442448, 1528308, 1584912, 1783026, 2037744, 2292462, 2377368, 2422224, 2674539, 3056616, 3566052, 4584924, 4754736, 5349078, 6113232, 7132104, 8023617, 9169848, 10698156, 14264208, 16047234, 18339696, 21396312, 32094468, 42792624, 64188936, 128377872]

約数ペア:

[(1, 128377872), (2, 64188936), (3, 42792624), (4, 32094468), (6, 21396312), (7, 18339696), (8, 16047234), (9, 14264208), (12, 10698156), (14, 9169848), (16, 8023617), (18, 7132104), (21, 6113232), (24, 5349078), (27, 4754736), (28, 4584924), (36, 3566052), (42, 3056616), (48, 2674539), (53, 2422224), (54, 2377368), (56, 2292462), (63, 2037744), (72, 1783026), (81, 1584912), (84, 1528308), (89, 1442448), (106, 1211112), (108, 1188684), (112, 1146231), (126, 1018872), (144, 891513), (159, 807408), (162, 792456), (168, 764154), (178, 721224), (189, 679248), (212, 605556), (216, 594342), (243, 528304), (252, 509436), (267, 480816), (318, 403704), (324, 396228), (336, 382077), (356, 360612), (371, 346032), (378, 339624), (424, 302778), (432, 297171), (477, 269136), (486, 264152), (504, 254718), (534, 240408), (567, 226416), (623, 206064), (636, 201852), (648, 198114), (712, 180306), (742, 173016), (756, 169812), (801, 160272), (848, 151389), (954, 134568), (972, 132076), (1008, 127359), (1068, 120204), (1113, 115344), (1134, 113208), (1246, 103032), (1272, 100926), (1296, 99057), (1424, 90153), (1431, 89712), (1484, 86508), (1512, 84906), (1602, 80136), (1701, 75472), (1869, 68688), (1908, 67284), (1944, 66038), (2136, 60102), (2226, 57672), (2268, 56604), (2403, 53424), (2492, 51516), (2544, 50463), (2862, 44856), (2968, 43254), (3024, 42453), (3204, 40068), (3339, 38448), (3402, 37736), (3738, 34344), (3816, 33642), (3888, 33019), (4272, 30051), (4293, 29904), (4452, 28836), (4536, 28302), (4717, 27216), (4806, 26712), (4984, 25758), (5607, 22896), (5724, 22428), (5936, 21627), (6408, 20034), (6678, 19224), (6804, 18868), (7209, 17808), (7476, 17172), (7632, 16821), (8586, 14952), (8904, 14418), (9072, 14151), (9434, 13608), (9612, 13356), (9968, 12879), (10017, 12816), (11214, 11448)]